Answer:
No matter where that object is in the vast universe, it will have the same mass. Weight, on the other hand, is a measure of how much gravitational force is exerted on an object.
Miss White wants to make a (decidedly not poisoned) apple pie. The recipe she is
using asks for a specific mass of apples, but Miss White doesn't have a balance, so
finding mass directly will be difficult. What she DOES have is a graduated cylinder,
which she uses to find that her apples have a volume of 786,3 ml. She also knows
that her apples have a density of around 0.98 g/ml. What is the mass of Miss
White's apples? Please round your answer to 0.01 grams.
Element T exists as three isotopes: T-12 (98.90%), T-13 (1.00%) and T-14 (0.10%). Calculate the
average atomic mass of the element T.
Answer choices:
- 12.01 amu
- 11.72 amu
- 1200 amu
- 13 amu
Answer:
-10.00amu
ok.......... !!!!!
The average atomic mass of the element T is 12.012 amu.
What is average atomic mass?The average atomic mass is defined as the atoms' weighted average mass in a naturally occurring sample of the element.
It is also defined as the average atomic mass of all naturally occurring isotopes of all elements.
The average atomic mass can be expressed as
Average atomic mass = f1m1 + f2m2 + f3m3
= 0.989 x 12 + 0.01 x 13 + 0.001 x 14
= 11.868 + 0.13 + 0.014
= 12.012 amu
Thus, the average atomic mass of the element T is 12.012 amu.
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How did incorporation of the Bill of Rights affect state governments
Answer:
The effect of the incorporation of the bill of rights was that state governments were required to provide most bill of rights protections.
Explanation:
Convert 0.0017hL into mL
Answer:
170ml
Explanation:
multiply the volume value by 100000
Please give me some answers not all and I’ll give points
Answer:
B) pH of water is independent. A) Number of tadpoles is dependent
Explanation:Because the pH can kill fish
convert 13.4 degrees celcius into kelvin
Answer:
286.55K
Explanation:
To convert to kelvin , add 237 .15
[tex]13.4\°C + 273.15 = 286.55K[/tex]
Answer:
13.4 degrees celsius =
286.55 kelvins
Temperature
13.4
Celsius
286.55
Kelvin
Formula
13.4°C + 273.15 = 286.55K
Explanation:
HOPE THAT HELPS YOU
❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤
Express 2.99 x 108 m/s (the speed of light) in decimal notation (i.e., express the
number without using scientific notation
Answer:
speed of light = 299,000,000 m/s
Explanation:
The speed of light in vacuum, denoted as c, is a universal physical constant which unlike space and time, is independent of the observer. It is a constant that is important in many fields of science. Its exact value is given as 299,792,458 metres per second.
In scientific notation, it is approximately given as 2.99 x 10⁸ metres per second.
2.99 x 10⁸ metres per second = 2.99 x 100000000 = 299,000,000 m/s
Therefore, when expressed in decimal notation, the speed of light = 299,000,000 m/s.
Select the meaning of the word sign that best
describes this image.
O to write as a signature
P
a gesture used to express an idea
O an object that conveys meaning
O a symbol used to abbreviate words
WHAT IS ITRT
Answer:
an object that conveys meaning
Explanation:
Answer:
c
Explanation:
Which common item is made from copper?
soap
coins
baby powder
colored pencils
Answer:
coins
Explanation:
which two models would be most useful in predicting weather
Answer:mathematical and map
Explanation:
mathematical and map
Explanation:
The number of ATP molecules produced during the anaerobic phase of cellular respiration is _______
2
8
16
32
Answer:
The number of ATP molecules produced during the anaerobic phase of cellular respiration is 32 ATP.
Explanation:
Actually it's 36 ATP
8 from glycolysis
6 from pyruvate
24 from Krebs cycle
So total are 38 ATP but 2 ATP are consumed during glycolysis so total will be 36.
Which best justifies the accuracy of the claim?
Answer:
A
Explanation:
the 2nd artical is against global warming while the first one uses scientific evidence
what would happen to the solvent if a reaction was refluxed without a condenser
Answer:
Solvent will be lost as gas and not return into the vessel via condensation.
Explanation:
Reflux is a technique used in chemistry to boil a particular solvent and convert the gas formed back into liquid by condensation. This technique allows a solvent to be heated at a regulated temperature but for a prolonged period of time than it would normally take place.
The reflux procedure makes use of a reflux CONDENSER, which is an apparatus that allows vapour from the heating/boiling to flow back into the reaction vessel. The CONDENSER functions to prevent the loss of the SOLVENT as vapour by providing a cooling effect on the vapour.
Therefore, if a reaction was refluxed without a condenser, THE SOLVENT WILL BE LOST AS VAPOUR
Using the mmoles of (35)-2,2,-dibromo-3,4-dimethylpentane calculated earlier and the molecular weight of the product (962 g/mol). Predict the theoretical 1 0096 yield of the product in grams. Round to the hundredths place.
Answer:
The yield of the product in gram is [tex]\mathsf{{w_P}=0.26 \ gram}[/tex]
Explanation:
Given that:
the molecular mass weight of the product = 96.2 g/mol
the molecular mass of the reagent (3S)-2,2,-dibromo-3,4-dimethylpentane is 257.997 g
given that the millimoles of the reagent = 2,7 millimoles = [tex]2.7 \times 10^{-3} \ moles[/tex]
We know that:
Number of moles = mass/molar mass
Then:
[tex]2.7 \times 10^{-3} = \dfrac{ mass}{257.997}[/tex]
[tex]mass = 2.7 \times 10^{-3} \times 257.997[/tex]
mass = 0.697
Theoretical yield = (number of moles of the product/ number of moles of reactant) × 100
i.e
Theoretical yield = [tex]\dfrac{n_P}{n_R}\times 100\%[/tex]
where;
[tex]n_P = \dfrac{w_P}{m_P}[/tex] and [tex]n_R = \dfrac{w_R}{m_R}[/tex]
Theoretical yield = [tex]\dfrac{(\dfrac{w_P}{m_P})}{(\dfrac{w_R}{m_R})} \times 100\%[/tex]
Given that the theoretical yield = 100%
Then:
[tex]100\% =\dfrac{(\dfrac{w_P}{m_P})}{(\dfrac{w_R}{m_R})} \times 100\%[/tex]
[tex]\dfrac{w_P}{m_P}=\dfrac{w_R}{m_R}[/tex]
[tex]{w_P}=\dfrac{w_R \times m_P}{m_R}[/tex]
where,
[tex]w_P[/tex] = derived weight of the product
[tex]m_P =[/tex]the molecular mass of the derived product
[tex]m_R =[/tex] the molecular mass of the reagent
[tex]w_R[/tex] = weight in a gram of the reagent
[tex]{w_P}=\dfrac{w_R \times m_P}{m_R}[/tex]
[tex]{w_P}=\dfrac{0.697 \times 96.2}{257.997}[/tex]
[tex]\mathsf{{w_P}=0.26 \ gram}[/tex]
Determine the number of mm in 14.3cm
Answer:
143 mm . covert it an determine an individual percentage .
Which of the following gases is the least soluble in water and why? CO2, SO3, N2, NH3, HCl.
Answer:
SO3
It has the highest molar mass value and thus would be the least soluble
Explanation:
In this question, we want to know which of the gases is the least soluble in water.
The easiest way to do this is to calculate the molar masses of these gases. The gas with the highest molar mass is the heaviest and thus will be the least soluble in water
For CO2 - molar mass is 44 g/mol
For SO3- molar mass is 80 g/mol
For N2- molar mass is 28g/mol
For NH3-molar mass is 17g/mol
For HCl- molar mass is 36.5 g/mol
From the molar masses, we can see that the molar mass of the ammonia gas is the lightest and thus, it is the most soluble.
The mass of the sulphur vi oxide is the highest and thus it is the heaviest and the least soluble in water
How does the arrangement of atoms differ in crystals and glass?
How does the arrangement of atoms differ in a crystalline and a noncrystalline substance? Crystals have well organized arrangement of atoms. Non crystals have irregular unorganized arrangement of atoms. You just studied 13 terms!
A running track measures 1056 ft per lap. To run 15.0 km, how many laps should you run?
Answer:
46.6 laps
Explanation:
Step 1: Given data
Length of the lap (l): 1056 ftTotal distance to be run (d): 15.0 kmStep 2: Convert "l" to km
We will use the conversion factor 1 km = 3280.84 ft.
1056 ft × (1 km / 3280.84 ft) = 0.3219 km
Step 3: Calculate the number of laps that you should run
We will use the following expression.
laps = d/l
laps = 15.0 km/(0.3219 km/lap)
laps = 46.6 laps
If a horse is at a stop and then starts running is the horse accelerating or decelerating?
Answer:
accelerating
Explanation:
technically, there is no such thing as deceleration, just negative acceleration.
Use the clues you highlighted to choose the best
meaning of beat in this sentence.
Highlight the context clues that help you choose
the best meaning of the word beat.
Our family beat a retreat back to the sofa as if chased by
enemy soldiers
- "The All-American Slurp."
Lensey Namioka
O defeated
O mixed
hurried
musical rhythm
Answer:
hurried
Explanation:
because they retreated back to the couch so hurried.
Answer:
c
Explanation:
Which of the following statements is true about the arrangement of particles in matter?
B. The particles in aliquid are spread farther apart than the particles in a gas.
A. The particles in a gas are closer together than the particles in a liquid
D. The particles in a solid are spread farther apart than the particles in a liquid
C. The particles in a gas are spread farther apart than the partides in a solid
Answer:
C. The particles in a gas are spread farther apart than the particles in a solid
Explanation:
Solids are made up of tightly-packed particles that form a rigid shape. Liquids are comprised of loosely connected particles that can slightly move. Gases are made up of fast-moving disconnected particles that are spread far apart.
Which technology has helped improve scientists’ ability to gather scientific data about the movement of sea turtles? satellite tracking thermometers probeware microscopes?
Answer:either satellite tracking or probware.
Explanation:probate. Think its satalite tracking hope this helps.
Answer:
its satellite tracking
Explanation:
i got it right on edge
How many m^3 are in 56cm^3?
Answer:
5.6 × 10-5 m^3
Explanation:
Hope this helps
7. What happen if we don't have water?
Answer:
our bodies will dehydrate causing us to die a dreadfully excruciating painful death
Look at the list of wealthy Americans under the heading “Half a Billion Back of M'Kinley."
What were the two most common industries of the business leaders on
this list?
manufacturing and carpets
banking and railroads
o jewelry and transportation
Answer:
banking and railroads
Explanation:
The two most common industries of the business leaders on this list are banking and railroads.
What are industries?
Industry is a group of productive enterprises or organizations that produce or supply goods, services, or sources of income. In economics, industries are generally classified as primary, secondary, tertiary, and quaternary; secondary industries are further classified as heavy and light.
Primary industry sector of a nation’s economy includes agriculture, forestry, fishing, mining, quarrying, and the extraction of minerals. It may be divided into two categories: genetic industry, including the production of raw materials that may be increased by human intervention in the production process; and extractive industry, including the production of exhaustible raw materials that cannot be augmented through cultivation.
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KCl is an ionic salt with a formula weight of 74.54 g/mole. A 1.417 M (mole/liter) KCl solution has a density of 1064.5 grams/liter at 20.0 OC. Use the Molarity and the formula weight to find the mass (g) of salt in one liter. Then, find the mass (g and kg) of water in one liter of the solution as the difference between the solution mass and the KCl mass. Include the conversion factor. Determine the molality (m), or moles of salt per kg of water, by dividing the moles of salt in one liter by the kg of water in one liter. Show all units and use proper significant figures. (
Answer:
Mass of the salt: 105.6g of KCl.
Mass water: 958.9g of water.
Molality: 1.478m.
Explanation:
Mass of the salt:
In 1L, there are 1.417 moles. In grams:
1.417 moles KCl * (74.54g / mol) = 105.6g of KCl
Mass of the water:
We can determine the mass of solution (Mass of water + mass KCl) by multiplication of the voluome (1L and density 1064.5g/L), thus:
1L * (1064.5g / L) = 1064.5g - Mass solution.
Mass water = 1064.5g - 105.6g = 958.9g of water
Molality:
Moles KCl = 1.417 moles KCl.
kg Water = 958.9g = 0.9589kg.
Molality = 1.417mol / 0.9589kg = 1.478m
Phil has to put the greatest number of apples and oranges in each box so each box has the same number of apples and oranges. Should Phil use the greatest common factor (GCF) or the least common multiple (LCM) to solve the problem
Answer:
GCF
Explanation: Your question says "The GREATEST number of apples and oranges" Key word is "greatest".
You estimate that you sent 135 texts last week but when you get the bill, it was actually 175. Calculate the percent error
Answer: -40
Explanation: Percent error is calculated by subtracting the value you actually recieved from the literature value (175 in your case) SO your answer should be 135-175=-40.
How does accuracy and precision impact your life
Explanation:
Accuracy refers to the closeness of a measured value to a standard or known value. For example, if in lab you obtain a weight measurement of 3.2 kg for a given substance, but the actual or known weight is 10 kg, then your measurement is not accurate. In this case, your measurement is not close to the known value.
Precision refers to the closeness of two or more measurements to each other. Using the example above, if you weigh a given substance five times, and get 3.2 kg each time, then your measurement is very precise. Precision is independent of accuracy. You can be very precise but inaccurate, as described above. You can also be accurate but imprecise.
For example, if on average, your measurements for a given substance are close to the known value, but the measurements are far from each other, then you have accuracy without precision.
A good analogy for understanding accuracy and precision is to imagine a basketball player shooting baskets. If the player shoots with accuracy, his aim will always take the ball close to or into the basket. If the player shoots with precision, his aim will always take the ball to the same location which may or may not be close to the basket. A good player will be both accurate and precise by shooting the ball the same way each time and each time
Which of the following are false about Prokaryotic Transcription termination?
A. It can occur in a factor dependent fashion.
B. It can occur in a factor independent fashion.
C. It may involve Rho protein.
D. none of the above.
Answer: none of the above
Explanation:
In Prokaryotic Transcription termination, it should be noted that the RNA polymerase transcribes through a terminator sequence, which in turn results in the polymerase to be separated from the DNA and thereby leads to its release of the transcrip.
Prokaryotic Transcription termination can occur in a factor dependent fashion, can occur in a factor independent fashion and may involve Rho protein.
Therefore, none of the options is false.