Answer:
6cm
Explanation:
The volume of the block of wood of 360 grams has been 60 ml or 60 [tex]\rm cm^3[/tex].
The density of an object can be defined as the mass of an object per unit volume. Density plays a pivotal role in the object sinks or floats into a liquid.
If the density of an object is lighter than the density of the liquid, the object will float onto the liquid. If the density of an object is more than the density of the liquid, the object will sink in the liquid.
Density can be given by:
Density = [tex]\rm \dfrac{mass}{volume}[/tex]
Mass of the object = 360 grams
Density = 60 g/[tex]\rm cm^3[/tex]
Volume = [tex]\rm \dfrac{mass}{density}[/tex]
Volume = [tex]\rm \dfrac{360}{60}[/tex]
Volume = 60 [tex]\rm cm^3[/tex] .
1 [tex]\rm cm^3[/tex] = 1 ml
Volume = 60 ml.
The volume of the block of wood of 360 grams has been 60 ml or 60 [tex]\rm cm^3[/tex].
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From observing the plant and animal cell diagrams above, which cell seemed to have more of a regular structure?
Answer:
the green one
Explanation:
3. A gold ring has a mass of 67.0 grams. When
placed in a graduated cylinder containing 10 ml of
water, the water rises to 13.47 ml. Calculate the
density of the ring.
I
Answer:
The answer is
19.3 g/mLExplanation:
The density of a substance can be found by using the formula
[tex]Density = \frac{mass}{volume} [/tex]
From the question
mass = 67 g
Volume of ring = new volume of water - original volume of water
Volume = 13.47 - 10 = 3.47 mL
Substitute the values into the above formula and solve
That's
[tex]Density = \frac{67}{3.47} \\ = 19.308357[/tex]
We have the final answer as
19.3 g/mLHope this helps you
i need to know what the summary of matter is helpppppp!!!!
Answer:
Matter can be classified according to physical and chemical properties. Matter is anything that occupies space and has mass. The three states of matter are solid, liquid, and gas. A physical change involves the conversion of a substance from one state of matter to another, without changing its chemical composition.
Explanation:
a table that compares the properties of suspensions, colloids, and solutions.
Answer:periodic table
Explanation:
Approximately how tall is Able Hill? Don't forget your unit
Answer:
about 42m 3
copied from google
hope that helps
approximately 42m 3 was Able Hill
thomas atoms theroy
Answer:
Do you want to us to explain what it is
Explanation:
Answer:
APEX
Explanation:
The electron
How far is it from H to G?
Which of these is an extensive ?
A- density
B- melting point
C- temp.
D- volume
YOU DO:
1) A 15.0 gram sample of sodium hydrogen carbonate, NaHCO3, was contaminated with an impurity. In order
to determine the purity of the sample, it was heated to decompose the material according to the following
reaction:
2NaHCO3 → Na2CO3 + H2O + CO2
If 6.35 grams of sodium carbonate, Na2CO3, were recovered, what percentage (by mass) of the sample was
sodium hydrogen carbonate, NaHCO3?
I
Answer:
67.1%
Explanation:
Based on the chemical equation, if we determine the moles of sodium carbonate, we can find the moles of NaHCO₃ that reacted and its mass, thus:
Moles Na₂CO₃ - 105.99g/mol-:
6.35g * (1mol / 105.99g) = 0.0599 moles of Na₂CO₃ are produced.
As 1 mole of sodium carbonate is produced when 2 moles of NaHCO₃ reacted, moles of NaHCO₃ that reacted are:
0.0599 moles of Na₂CO₃ * (2 moles NaHCO₃ / 1 mole Na₂CO₃) = 0.1198 moles of NaHCO₃
And the mass of NaHCO₃ in the sample (Molar mass: 84g/mol):
0.1198 moles of NaHCO₃ * (84g / mol) = 10.06g of NaHCO₃ were in the original sample.
And percent of NaHCO₃ in the sample is:
10.06g NaHCO₃ / 15g Sample * 100 =
67.1%What is the mass of a
12.31 cm3 piece of
copper having a density of
8.96 g/cm3
Answer:
110.30 grams
You have to multiply by 8.96.
12.31 x 8.96 = 110.30 grams.
Therefore, that is your answer.
(Sorry I had to answer twice it was because of LukeG1).
a liquid that occupies the volume of 3.23 L has a mass of 3.188 kg what is the density of this liquid in kilograms to liters
Answer:
0.97 kg/l
Explanation:
What are some tips *from a girl* to get a girl to like you without making it obvious
Use your knowledge of atomic calculations to complete the chart.
Element
Protons
Neutrons
Electrons
Atomic
Number
3
15
Atomic
Mass
7
31
35
19
28
31
P
ci
Ni
K
Ag
H
39
19
-18
47
OK
1
1
14
14
06
3
Si
w
74
1010
Ne
10
10
Answer:
For hydrogen. H
Explanation:
Atomic number is 1
Proton number is 1
Mass number is 2
Neutron number is 1
Density of mercurio is
Answer:
The density of mercury is 13.6 g/mL, which is equal to 1360 kg/m3.
1.) What are the chemical properties of matter?
Answer:
Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.
Explanation:
Your cute btw :)
which of the following substances does not conduct electricity
a)brass b)copper c)carbone(graphite) d)carbon(diamond)
Answer:
diamonds
Explanation:
Diamond does not conduct electricity.
• A form of carbon in which each of the atom of carbon is joined to four other atoms of carbon, giving rise to a giant covalent composition is a diamond.
• Due to this, diamond is very robust and exhibits high melting point. Thus, is used to cut tools.
• Diamond does not conduct electricity, due to the absence of delocalized electrons in the structure.
Thus, diamond does not conduct electricity. Option d is correct.
To know more about:
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How can a substance change from one state of matter to another?
Answer:
heated or cooled
Explanation:
Matter can change from one state to another if heated or cooled.
Answer:
Many things can change a substance from one state to another. These things include pressure, temperature, frequency, and many more.
An Olympic swimmer can swim a distance of 360m in 8.5 minutes. What is her speed?
Answer:
42.3529412 m/min or 0.705882353 m/s
Explanation:
We can calculate speed using the following formula.
[tex]s=\frac{d}{t}[/tex]
where [tex]d[/tex] is distance and [tex]t[/tex] is time.
The Olympic swimmer can swim 360 meters in 8.5 minutes. Therefore,
[tex]d= 360 \ m \\t= 8.5 \ min[/tex]
Substitute the values into the formula.
[tex]s=\frac{360 \ m}{ 8.5 \ min}[/tex]
Divide.
[tex]s= 42.3529412 \ m / min[/tex]
Her speed is 42.3529412 meters per minute.
If we want to find her speed in meters per second, convert the minutes to second.
1 minute is equal to 60 seconds, so we can multiply 8.5 by 60.
[tex]8.5 *60=510[/tex]
The swimmer can swim 360 meters in 510 seconds.
[tex]s=\frac{d}{t}[/tex]
[tex]d= 360 \ m \\t= 510 \ s[/tex]
[tex]s=\frac{360 \ m}{510 \ s}[/tex]
[tex]s=0.705882353 \ m/s[/tex]
Her speed is also 0.705882353 meters per second.
which statement describes redis experiment which helped disprove spontaneous generation?
Answer:
it is A i just got it right
Explanation:
i need help with this pls
Answer:
C Is The Correct Answer Because The Deeper The Rock Is The Older It Is So The Top Is The Youngest And The Bottem Is The Oldest
What is coronavirus
Why do you need to be cautious
Answer:
IT IS CORONAAAAAAAAAAAAAAAAAAAAA
Answer:
coronavirus is a lung disease, it makes it so that you have a fever, cough, trouble breathing, mild headaches, and sometimes even nausea. you should be cautious because if your at high risk your gonna have trouble recovering from it. wearing a mask could help protect others from the spread of coronavirus. others wearing a mask prevents you from the spread of coronavirus. if you do catch it, make sure you see your doctor and isolate yourself for two weeks to a month and try not to go out as much.
What are the three types of symbiosis?
Answer:
commensalim, mutualism, parasitism
Which are characteristics of all living things? Check all that apply. are made of cells need energy A. can breathe B. respond to stimuli C. can reproduce D.grow and develop / help me please
Answer:
All can be charactoristics of a living thing
Explanation:
Answer:
Grow
Need energy
respond to stimuli
are made of cells
Explanation:
correct on edge 2022 :)
2. Which of the following statements correctly explains the difference between a theory and a scientific law?
O Scientific laws are not as well proven as theories.
O Scientific laws are statements about observed experimental facts, while theories are explanations of natural phenomena.
Theories are not as well proven as scientific laws.
O Scientific laws explain natural phenomena while theories are just guesses.
Answer:
pretty sure its Scientific laws are statements about observed experimental facts, while theories are explanations of natural phenomena.
The statement that correctly explains the difference between a theory and a scientific law is as follows:
Scientific laws are statements about observed experimental facts, while theories are explanations of natural phenomena.Thus, the correct option is B.
What is Scientific theory?A Scientific theory may be defined as a well-explained fact that is significantly associated with the natural world that has been constructed through the utilization of the scientific method, and which brings together many facts and hypotheses.
A Scientific theory is based on observation. It is proven but still testable in nature in order to derive evidence. It generally does not possess mathematical statements and deductions. Theories are explained on nature as well as natural phenomena.
Scientific law is based on unalterable facts or those facts that remain constant. It is proven as well as contains evidence to support the claim. It definitely possesses mathematical statements and deductions.
Therefore, the correct option for this question is B.
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A student is measuring the volumes of nectar produced by a flowering plant for an experiment. He measures nectar from 50 flowers using a graduated cylinder that measures to the nearest millilitre (mL). Which statement describes a change that can help improve the results of his experiment?
A.) His measurements will be more precise if he takes measurements from an additional 100 flowers. B.) His measurements will be more accurate if he uses a graduated cylinder that measures to the nearest tenth of a mL. C.) His measurements will be more precise if he uses a graduated cylinder that measures to the nearest tenth of a mL. D.) His measurements will be more accurate if he takes measurements from an additional 100 flowers.
NEED HELP NOW PLEASE!!!
Answer:
His measurements will be more precise if he uses a graduated cylinder that measures to the nearest tenth of a mL.
Explanation:
His measurements will be more accurate if he uses a graduated cylinder that measures to the nearest tenth of a mL. The correct option is B.
The closeness of a measurement to the real or recognised value is referred to as accuracy.
The learner can achieve more exact measurements and eliminate the possibility of rounding mistakes by using a graduated cylinder that measures to the closest tenth of a millilitre.
This enhanced precision will help to improve measurement accuracy. Taking measurements from more flowers (options A and D) will expand the sample size but will not enhance accuracy unless the measuring device is updated.
Option C recommends improving precision but does not address accuracy.
Thus, the correct option is B.
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All elements on the periodic table are________
Answer:
Explanation:
arranged in order of increasing.
Identify the substance oxidized and the substance reduced in the following chemical equation:zn(s)+AgNO3(aq)=Zn(No3)2+2Ag(a)
Answer:
Explanation:
zn is oxidized because its oxidation number is increased from zero in zn to +2 in zn(No3)2
Ag is reduced because its oxidation number is reduced from +1 in AgNo3 to zero in Ag
oxidation number of zn(s) is zero while the oxidation number of zn in zn(No3)2 is
zn(No3)2=x+(5*2)+(-2*6)=x+10-12=x-2
x-2+2=2
x=2
the oxidation of Ag in AgNo3
AgNo3=x+5+(3*-2)=x+5-6=x-1
x-1+1=1
x=1 while the oxidation number of Ag is zero
so zinc is oxidized and silver (Ag) is reduced
A loaf of bread has a mass of 0.5kg and a volume of 2500cm³. what is the density of the bread
Density is mass divided by volume.
Since mas is 0.5kg we need to convert it to grams. Using conversion factors we get the mass of the bread to be 500g.
So densty=500/2500
density =1/5 grams per cubic centimeter
:)
What are some ways each person could reduce air pollution and energy consumption? a. adjust the temperature settings - hotter in winter and cooler in summer b. adjust the temperature settings - cooler in winter and hotter in summer c. cut down trees near the house d. replace plumbing fixtures that leak Please select the best answer from the choices provided A B C D
Answer:
b.
adjust the temperature settings - cooler in winter and hotter in summer
Explanation: I took the quiz
Answer:
B. adjust the temperature settings- cooler in winter and hotter in summer
Explanation:
edge 2020
What is the density of a purple gas that has a mass of 10 g and a volume of 20 mL? Show your work!
Answer: 0.5g/ml
Explanation:
The density of a substance is given by the following formular; Mass / Volume,
Where mass = 10g
volume = 20ml
Density = 10g/ 20ml = 0.5g/ml