When all colors of light are absorbed, what do you see?

Black
Orange
Pink
Yellow

Answers

Answer 1

Answer:

Black

Explanation:

hope it helps

have a nice time ..,


Related Questions

which statement differentiates between prokaryotic cells and eukaryotic cells?
A.Eukaryotic cells have DNA: prokaryotic cells do not.
B. Prokaryotic cells have DNA: eukaryotic cells do not.
C. Eukaryotic cells have nuclei: prokaryotic cells do not.
D. Prokaryotic cells have nuclei: eukaryotic cells do not.

Answers

Answer:

It is C

Explanation:

It is because Prokaryotic cells mostly don't have a nucleus.

Answer:

It is C.Eukaryotic cells have nuclei; prokaryotic cells do not

Explanation:

I just watched a video of it.

297.85
Question 2
4 pts
If a sample of gas occupies 23.5 mL at 315 K and 14.8 atm of pressure, what volume will it occupy at 415 K and
12.3 atm?
Give your volume in ml, but do not include the units in the answer. Do not use scientific notation.
Question 3
4 pts

Answers

Answer:

37.25

Explanation:

[tex]P_1[/tex] = Initial pressure = [tex]14.8\ \text{atm}[/tex]

[tex]P_2[/tex] = Final pressure = [tex]12.3\ \text{atm}[/tex]

[tex]V_1[/tex] = Initial volume = [tex]23.5\ \text{mL}[/tex]

[tex]V_2[/tex] = Final volume

[tex]T_1[/tex] = Initial temperature = [tex]315\ \text{K}[/tex]

[tex]T_2[/tex] = Final temperature = [tex]415\ \text{K}[/tex]

From ideal gas law we have

[tex]PV=nRT[/tex]

[tex]\Rightarrow PV\propto \dfrac{1}{T}[/tex]

So

[tex]\dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}\\\Rightarrow V_2=\dfrac{P_1V_1T_2}{T_1P_2}\\\Rightarrow V_2=\dfrac{14.8\times 23.5\times 415}{315\times 12.3}\\\Rightarrow V_2=37.25\ \text{mL}[/tex]

The final volume is [tex]37.25\ \text{mL}[/tex]

what is the relationship between netforce and acceleration based on the situation?​

Answers

Answer:

The net force is greater at the second situation as well as the acceleration due to the contribution of the second guy.

Explanation:

Hello.

In this case, since the net force is computed via adding all the exerted forces on a body, for the first situation we can see that the net force equals the force provided by that guy when pulling, whereas in the second situation the net force equals the force of both of the guys pulling the car:

[tex]F_N_1=F_1\\\\F_N_2=F_1+F_2[/tex]

For the acceleration, we can see that applying an extra force (due to the second guy) turns out into a greater acceleration, that is why the car at the second situation reaches the tree whereas the other one does not.

Best regards.

Which statement best Describe the people in Mississippi period

Answers

Answer:Explanation:

The statement that best describes the people of the Mississippian Period is that they were farmers who used simple tools to grow their food in small gardens. They would also fish and gather food such as muscles, in order to create a large enough food supply in addition to produce from these gardens and farms.

3. What noble gas would be part of the electron configuration notation for Mn?

Answers

Answer:

Argon {Ar}

Explanation:

The noble gas used for a condensed electron configuration is the one before the element which you are configuring.

In this case, the element (Mn) is manganese

The noble gas that is before this element is Argon which is the row above it

so your configuration would be {Ar} 3d^5 4s^2

How many grams of Al are needed to react with 91.8 grams of FeO
3FeO + 2Al —> 3 Fe +Al2O3

Answers

Answer:

Ans : 22.86 gm of Aluminium

Solution,

                        3FeO + 2Al ---> 3 Fe + [tex]Al_{2}O_{3}[/tex]

Given                   3          2                    

Find                    1.27       x

By the given gms of FeO find its mole and put the moles in the find,

                         

                                       [tex]n = \frac{given mass}{molecular mass}[/tex]

                  Given mass of FeO is 91.8

                   Molecular mass of FeO is 71.8

                                           

                                         n = [tex]\frac{91.8}{71.8}[/tex]  

                                         n = 1.27 moles of FeO  

Now solve for x,

                            [tex]x = \frac{2 x 1.27}{71.8}[/tex]

                             x = 0.85 moles

These are just moles of Aluminium that we need to react with FeO, so to find Grams of Aluminium we need,

                                Mass = moles x molecular mass

                                Mass = 0.85 x 27(atomic mass of Al)

                                Mass = 22.86 grams of aluminium is what we need

                                         

Identify 3 pieces of safety equipment commonly found in the science lab.

Answers

Answer: googles, fire extinguisher, fire blanket

Explanation:

Chemical shower, fire extinguisher, and fire blanket

1.What do you call the rate of doing work?
A. Energy
B. Time
C.Power
D. Work

2.What is the unit of power?
A. Joule
C. Newton
B. Second
D. Watt

3.How much power is required to lift a 30ON chair, as high as 0.20 in 2s?
A.1 W
C. 3 W
B. 7W
D. 15 W

4.How much power is required to raise a 30 kg crate with a vertical distance of 6m in a time of 4
Seconds?
A. 45 WV
C 52.5 W
B. 385 W
D. 441 W

5. A job is done slowly, and an iden tical job is done quickly. Both jobs require the same amount of_______
but different amounts of_________
A. energYy, work
B. work, energy
Choose the correct two words respectively.
C. power, work
D. work, power

6.What is work?
A. Force muitiplied by time
C. Force multiplied by distance
B. Force per unit of time
D. Force divided by distance

7.What is the unit of work?
A Joule
B. Second
C. Newton
D. Watt

8.Power can be increased by______
A. decreasing the force applied by an object.
B. decreasing the work done on the object
C.inereasing the time in which the work is done.
D. decreasing the time in which the work is done.



Please help​

Answers

Answer:

1. c

2. d

3. c

4. d

5.

6. a

7. a

8.

An enzyme can catalyze a reaction with either of two substrates, S1 or S2. The Km for S1 was found to be 2.0 mM, and the Km, for S2 was found to be 20 mM. A student determined that the Vmax was the same for the two substrates. Unfortunately, he lost the page of his notebook and needed to know the value of Vmax. He carried out two reactions: one with 0.1 mM S1, the other with 0.1 mM S2. Unfortunately, he forgot to label which reaction tube contained which substrate. Determine the value of Vmax from the results he obtained:
Tube number: 1
Rate of formation of product:0.5
Tube number: 2
Rate of formation of product: 4.8

Answers

Answer:

100.5 ≈ 101

Explanation:

Km for S1 = 2.0 mM

Km for S2 = 20 mM

Given that : S1 = S2 =  hence Vmax for either S1 or S2 can represent

The Vmax can be calculated using the data Given and equation below

Vo = Vmax [s] / ( Km + [s] )  ------ (1)

Vo = 0.5

[s] = 0.1 mM

km = 20 mM

making Vmax subject of  equation 1

Vmax = 0.5 ( 20.1 mM) / (0.1 mM )

         = 100.5 ≈ 101

What is the unbalanced force on a 1/2 kg object that causes it to accelerate 3 m/s2 to the right

Answers

Answer:

The answer is 1.5 N

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 0.5 × 3

We have the final answer as

1.5 N

Hope this helps you

what always forms between two large air masses of different moisture and air temperature?

Answers

Answer:

"What always forms between two large air masses of different moisture and air temperature?"

Explanation:

When a cold air mass replaces a warm air mass the boundary between the two air masses is called a cold front. ... Fronts form at the boundary between air masses of different temperatures and moisture. Warm air always slopes upward over colder air.

The boundary between two air masses of different density such when it can not move called “stationary” “warm” when warmer air replaces cooler air.

What is density ?

The density  can be defined as  the mass per unit volume which means that it is the ratio between mass and volume, that means the object has  the  stuff  in a unit volume.

Density is determined by the matter where it shows how the matter is tightly crammed together and  it was put forwarded  by the Greek scientist Archimedes

To calculate the density of an object, the mass (m) can be divided by the volume (v)

Density = Mass/Volume

The different units include  SI unit of density which is kilogram per cubic meter (kg/m3) or in cgs unit of grams per cubic centimeter (g/cm3).

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6-36. Calculate [H ] and pH for the following solutions: (a) 0.010 M HNO 3 (b) 0.035 M KOH (e) (c) 0.030 MHCl

Answers

Answer:

a)2

b)12.5

c)1.5

Explanation:

a)

pH = -log [H^+]

pH = -log [0.01]

pH = 2

b)

pOH = -log[OH^-]

pOH = -log [0.035]

pOH= 1.5

But

pH + pOH = 14

pH = 14 - pOH

pH= 14 - 1.5

pH = 12.5

c)

pH = -log[H^+]

pH= -log[0.030]

pH = 1.5

please help me i don’t know the answer to this!!!!!!

Answers

Answer: Lithium and Ethanol

Explanation: As lithium and ethanol both have a density of under

1.000g/ml, they can be supported by the water. Blood and Magnesium are denser than the water and will therefore sink as the water can not support it them.

Scientific knowledge is open to change as new information is discovered. Which of the following would NOT be a result of new scientific knowledge?

A
Scientists discover that a type of fungus on this log does not require oxygen for absorption and change the classification system.

B
Scientists publish an article that mentions the historic decline in the population of blue stain fungi.

C
Scientists classify a recently discovered bacterium living on this log using generally accepted naming procedures.

D
Scientists discover a bacterium living on this log that is multicellular and revise their classification

Answers

B would be the answer

1. Which of the following pairs of elements is most likely to share one or more pairs of electrons between
their nuclei?
a. Lithium and iodine
b. Sodium and lead
c. Copper and oxygen
d. Sulfur and chlorine

Answers

Answer:

d. Sulfur and chlorine.

Explanation:

A covalent bond is formed by two non-metals with similar electronegativities. As a consequence, they share one or more pairs of electrons between their nuclei.

Which of the following pairs of elements is most likely to share one or more pairs of electrons between  their nuclei?

a. Lithium and iodine. NO. Lithium is a metal and iodine a non-metal.

b. Sodium and lead. NO. Both sodium and lead are metals.

c. Copper and oxygen. NO. Copper is a metal and oxygen is a non-metal.

d. Sulfur and chlorine. YES. Both  are non-metals.

How many protons does Hydrogen contain?

Answers

Answer:

1

Explanation:

Hydrogen contains 1 proton

Velocity is
is a given
O distance, time
O speed, displacement
O speed, direction

Answers

The speed of something in a given direction
Velocity is speed and direction so I guess it would be the last one hope this helps!

it supports respiration.​

Answers

Answer:

yes yes it does

Explanation:

Calcium reacts with oxygen to make calcium oxide, CaO. What is the theoretical yield (g) of CaO(s) that could be prepared from 7.75 g of Ca(s) and 2.44 g of O2(g)

Answers

Answer:

Explanation:

2Ca    +    O₂   =    2CaO

80 g     32 g         112 g

given amount of Ca = 7.75 g

it will require oxygen =  32 x 7.75 / 80 = 3.1 g

but available oxygen = 2.44 so oxygen is the limiting reagent .

32g oxygen reacts with calcium to give 112 g of calcium oxide

2.44 gram of oxygen reacts with calcium to give 112 x 2.44 / 32 of CaO .

= 8.54 gram .

Theoretical yield of CaO = 8.54 gram.

How much space does 2 x 1022 atoms of copper take up?


How much space do 2 x 1022 copper pennies take up, using examples from the animation?

Answers

Answer:

2044

Explanation:

Which of the following substances will dissolve in water? Check all that apply.
Magnesium Sulfate
Methane
Butane
Sodium nitrate​

Answers

Answer:

The answers are A. and D.

According to the concept of solubility and properties of ionic compounds, magnesium sulfate and sodium nitrate dissolve in water.

What is solubility?

Solubility is defined as the ability of a substance which is basically solute to form a solution with another substance. There is an extent to which a substance is soluble in a particular solvent. This is generally measured as the concentration of a solute present in a saturated solution.

The solubility mainly depends on the composition of solute and solvent ,its pH and presence of other dissolved substance. It is also dependent on temperature and pressure which is maintained.Concept of solubility is not valid for chemical reactions which are irreversible. The dependency of solubility on various factors is due to interactions between the particles, molecule or ions.

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How is light emitted

Answers

Answer:

The frequencies of light that an atom can emit are dependent on states the electrons can be in. When excited, an electron moves to a higher energy level or orbital. When the electron falls back to its ground level the light is emitted.

Answer:

A Light is produced when an electron moves from a higher to a lower energy level.

Explanation:

PLEASE HELP ME ASAP!
Which of the following elements has the highest electronegativity?
A. Ar
B. Ga
C. Ag
D. S​

Answers

Answer:

its S

Explanation:

Statement 1: The reaction follows the mass energy equation E= mc". Statement 2: A large amount of energy is produced during the reaction.
Which statement(s) are true for both fusion and fission reactions? (1 point)
a. Only 1
b. Only 2
c. Both 1 and 2
d. Neither 1 nor 2

Answers

Answer:

Neither

Explanation:

The statements are true for both fusion and fission reactions are the fission is the breaking of a heavy, unstable nucleus into two lighter nuclei, and fusion is the process where two light nuclei join together releasing large amounts of energy. Therefore, option D is correct.

What do you mean by fission ?

The term fission is defined as when a neutron slam into a larger atom, forcing it to excite and split into two smaller atoms.

Additional neutrons are released, which can set off a chain reaction. A tremendous amount of energy is released when each atom splits.

When a neutron strikes an atom of uranium-235, it splits into two lighter nuclei, krypton and barium.

Both fission and fusion reactions involve the conversion of some mass into energy in order to form a new nucleus or nuclei, which requires some nuclear binding energy.

Thus, option D is correct.

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A chef fills a 60 mL container with 52.2 g of cooking oil. What is the density of the oil?

Answers

Answer:

The answer is 0.87 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question we have

[tex]density = \frac{52.2}{60} \\ [/tex]

We have the final answer as

0.87 g/mL

Hope this helps you

1. What is the mass of a rock that has a density of 2.5 grams per cubic centimeter and a volume of 4.0
cubic centimeters?
What is the mass

Answers

Answer:

Explanation:

d =

m

V

m = d×V

V =

m

d

DENSITY

Density is defined as mass per unit volume.

d =

m

V

Example:

A brick of salt measuring 10.0 cm x 10.0 cm x 2.00 cm has a mass of 433 g. What is its density?

Step 1: Calculate the volume

V = lwh = 10.0 cm × 10.0 cm × 2.00 cm = 200 cm³

Step 2: Calculate the density

d =

m

V

=

433

g

200

c

m

³

= 2.16 g/cm³

MASS

d =

m

V

We can rearrange this to get the expression for the mass.

m = d×V

Example:

If 500 mL of a liquid has a density of 1.11 g/mL, what is its mass?

m = d×V = 500 mL ×

1.11

g

1

m

L

= 555 g

VOLUME

d =

m

V

We can rearrange this to get the expression for the volume.

V =

m

d

Example:

What is the volume of a bar of gold that has a mass of 14.83 kg. The density of gold is 19.32 g/cm³.

Step 1: Convert kilograms to grams.

14.83 kg ×

1000

g

1

k

g

= 14 830 g

Step 2: Calculate the volume.

V =

m

d

= 14 830 g ×

1

c

m

³

19.32

g

= 767.6 cm³

The mass of rock is 10 g.

We have sample of rock.

We have to determine its mass.

How is density and mass of body related ?

The density and mass of body are related as follows -

D = M / V

where -

V -  volume of the body.

M - mass of the body.

D - density of the body.

According to the question →

Using the formula discussed above -

D = M / V

M = D x V

M = 2.5 x 4 = 10 g

Hence, the mass of rock is 10 g

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If a feather and in Marble are dropped at the same time from the same height explain. Which object would hit the floor first based on air resistance?​

Answers

Answer:

the marble would hit the floor first because the feather would be effected by air resistance

A dog has a mass of 19 kg. What is the mass of the dog in grams,expressed in scientific notation

Answers

Answer: 1.9 x 10^4

Explanation:

A dog has a mass of 19 kg. The mass of the dog in grams, expressed in scientific notation, is 1.95 × 10⁴ g.

What is mass?

Mass is the quantity of matter in a physical body. The product of the compound's molar mass and the substance's moles are defined as mass.

Measuring units to determine the size, weight, or quantity of any object. Seven fundamental measurement units are utilized in daily life and across the globe.

These units of measurement are the meter, which is used to measure distance, and the second, which is used to measure. Grams and kilograms are the measuring units that are used to measure the quantity of a solid item.

The mass of the dog in grams is:

1 kilogram = 1000 grams

19.5 kg × (10³ g/1 kg) = 1.95 × 10⁴ g.

Thus, the mass of the dog in grams is 1.95 × 10⁴ g.

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Which of the following is not a size-independent property of matter?
O volume
O boiling point
O state of matter
O conductivity

Answers

Answer:

the answer is D

Explanation:

hope it helps

1. A camper named Bob ran into aliens on a trail. Bob made friends with the aliens so he could
steal their treasure of 1 zygot.
1 zygot = 3 trigots
3 trigots = 2 bigots
4 bigots = 1 gram gold
How many grams of gold did Bob take from the aliens?

Answers

Answer : The number of grams of gold Bob take from the aliens will be 0.5.

Explanation :

As we are given that:

1 zygot = 3 trigots

3 trigots = 2 bigots

4 bigots = 1 gram gold

Now we have to determine the number of grams of gold Bob take from the aliens.

The number of grams of gold Bob take from the aliens will be equal to:

[tex]\frac{1\text{ zygot}}{1}\times \frac{3\text{ trigots }}{1\text{ zygot}}\times \frac{2\text{ bigots }}{3\text{ trigots }}\times \frac{2\text{ gram gold}}{4\text{ bigots }}[/tex]

= [tex]\frac{6}{12}[/tex] gram gold

= [tex]\frac{1}{2}[/tex] gram gold

=  0.5 gram gold

Hence, the number of grams of gold Bob take from the aliens will be 0.5.

Other Questions
HAHA *Antonio crying in laughter* ''Stop Driving so fast'' said Fernanda ''yes please Stop It were going to end up crashing'' Catalina said to Antonio. He Yelled back '' NO WERE NOT CAN YALL JUST STOP TALKING SO I CAN CONCENTRATE!! '' Well why are you RACING this guy anyways if we do end up crashing all he is going to do Is Leave us here dead'' * '' Oh I'm so scared were going to crash'' Antonio muttered under his breath looking at Catalina in the back seat '' YO WATCH OUT'' *Screamed Fernando* *Skrrr* *crash* ( 5 MINUTS LATER ) ( Crawling out the flipped Damaged car ) *Screaming & Crying in Terrier* ''HURRY CALL THE POLICE'' Said Catalina ''OK '' ( Yelled the man Across the street while watching Catalina get out the car hurting ) *Typing on phone* ''Hello 911 What's Your're Emergency'' ''YESS WE NEED THE AMBULENCE HERE NOW ON *BEAR CREEK STREET 8564 THERE WAS A HUGE ACCIEDENT '' Ok Sir Please Calm Down The Police and Ambulance Are On Their Way now what happened is there anyone hurt? Asked the Lady. ''YES THERE IS THERE ARE BROKEN PIECES'S OF CAR EVERYWHERE AND THERE ARE TEEN'S IN THERE, AND THERE IS ALSO GIRL THAT IS HURT''. ''Ok'' were you there when the Accident Occurred '' No I wasn't I just came out to take the trash out'' Ok and where are you''? Umm I'm at the Gas Station'' *Police And Ambulance Siren's* ( Rushing Down The Street ) . The Police are here * Hangs up* *Man Running to the Police Car* ! HELP THERE ARE SOME TEENAGERS IN THAT CRASHED CAR SITTING ON THE SIDE OF THE ROAD AND A GIRL SHE'S HURT! *Police Hops out the car* ''Ok let me deal with this * Clicks on Flashlight*. It was below 50 degrees Outside and the Street was frozen It makes Driving sound like limbs of a tree Crackling. Have you ever had something happen without Being Planned? Or something not Being Known before it happens. Like a Feeling That you feel like something Bad Is Going To Happen. ''I could feel the pain in my right leg, my Body shaking and trembling while I try to talk to the police scared about what to tell him and how my parent's will react with my behavior and why I was out here this late out with my friend's what am I even going to tell their parent's that their Daughter's and son's died all just because I wanted to sneak out and have fun. Hello this was a Narrative Process Piece Hope You Enjoy Reading *Tell me if You Need Me To Change Anything Add the following rational numbers -7.2 + (-4.28) the amplitude of a wave is measured from A. Trough to trough B. Crest to resting positionC. Crest to crestD. Crest to trough Cheryl paid $37.20 for 12 gallons of ice cream for a school picnic. How much would 1 quart of ice cream cost?$0.68$0.78$3.10$4.10 3) Which of the following civilizations existed only in East Africa? *O The Swahili CoastO The Mali EmpireO The Abbasid CaliphateO The Khmer Dynasty Which of the following languages came into existence after 1000 as the direct result of expanding global trade patterns? A decrease in the decomposers within an ecosystem would have what effects on the carbon cycle? Which writing purpose would most likely require an informal style? 1.It took Lucy two hours to read the first 108 pages of a book. She read the last 48 pages in 75 minutes. What was Lucys average reading rate for the entire book in pages per hour? When an instrumental composition is associated with a story poem or Scene is called The original price of a t.v. was $500. Mrs. Nitz bought the t.v. on sale for $175. What a deal!!! Find the percent discount. BE CAREFUL...the t.v. was expensive but she got a big discount on it. Which air mass ALWAYS goes to the bottom when a warm and a cold air mass meet? A. You will take the Atlanta Taxi Inc. cab when you are going less than 3 miles because it will be faster.B. You will take the Atlanta Taxi Inc. cab when you are going more than 3 miles because it will cost less.C. You will take the Atlanta Taxi Inc. cab when you are going less than 3 miles because it will cost less.D. You will take the Atlanta Taxi Inc. cab when you are going more than 3 miles because it will be faster.2. What is the x-coordinate at the point of intersection for f (x) and g (x)?f (x) = 3x + 50g (x) = 2x - 18 A. x = -68B. x = -35C. x = 3D. x = 32(Note: These are two different questions; unrelated. Where the image starts is the first one (the text is the possible answers), where it says 2 is the second one. Its fine if you can only answer one). The following are basic word processing functions that all students should be able to utilize in their work, EXCEPT:Group of answer choicesA.) 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Several days after Rory had already been blamed and punished for what Tom had done, Tombegan to feel his first, sharp pangs of remorse. What does it mean? _____________________________________________________________3. Allen so often made jokes about things, and failed to take things seriously, that at first it washard for the others to believe that this time he was being earnest. What does it mean? _____________________________________________________________4. demeanor was such that only people who knew her really, really well could tell whensomething was bothering her.What does it mean? _____________________________________________________________5. The team rallied around their star player, even though now that his leg was broken, thechances of winning the championship were dismal. What does it mean? Martel sold 7 cups of lemonade at his lemonade stand. How many fluid ounces did he sell? why should people exercise?which answer choice presents a related focused question that might direct further exploration an reasons to exercise?a. what is the best time of day to exercise b. what types of exercise are safest c. where can one learn about exercise programs d. what are health benefits of exercising