1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andrej [43]
3 years ago
14

An object has a mass of 20g and occupies a volume of 40 ml. Calculate the Density of the object.

Chemistry
1 answer:
Vsevolod [243]3 years ago
3 0

Answer:

<h3>The answer is 0.5 g/mL</h3>

Explanation:

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

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{20}{40}  \\

We have the final answer as

<h3>0.5 g/mL</h3>

Hope this helps you

You might be interested in
Electron configuration for Lithium.
Ira Lisetskai [31]

The answer to problem is [He] 2s1. Hope it helps

4 0
3 years ago
Read 2 more answers
How many protons are in oxygen's nucleus?
UkoKoshka [18]
There are eight protons in an Oxygen's nucleus.
8 0
3 years ago
Read 2 more answers
How many particles are in 1 mol of carbon? 1 mol of lithium? 1 mol of eggs? will 1 mol of each of these substances have the same
andrezito [222]
<span>One mole of a substance contains Avogadro's number of atoms/molecules/the like. This would mean that all of the items described would have approximately 6.022 * 10^23 atoms, even though their masses would differ. This would be due to the molar mass of each substance being different because of the constituent elements in the substance.</span>
8 0
3 years ago
Calculate the mass in grams in nine molecules of CH3COOH? Please show how you got your answer.
WINSTONCH [101]
M CH₃COOH: 12u×2 + 1u×4 + 16u×2 =<u> 60u</u>

m 9CH₃COOH: 60u×9 = <u>540u</u>

<em>(1u ≈ 1,66·10⁻²⁴g)</em>
-----------------------------
1u ------- <span>1,66·10⁻²⁴g
540u ---- X
X = 540</span>×<span>1,66·10⁻²⁴g
<u>X = 896,4</u></span><span><u>·10⁻²⁴g


</u>
</span>
7 0
3 years ago
PLS HELP!!!!!!!!!!!!!!!!!! NEED ANSWER NOW!!!!!!!!!!!!!!!!!!!!
Alisiya [41]

Answer:

Experiment you will be able to watch a chemical reaction. In this experiment vinegar (a substance) and baking soda (a substance) will mix together. When mixed together the molecules of the two substances will re-arrange, or change, to make new substances.

Vinegar has acetic acid in it. The chemical name for baking soda is sodium bicarbonate. When you mix the two together you get sodium acetate and water. You also get carbon dioxide, which is a gas. The bag puffs up because carbon dioxide is a gas and takes up a lot of space. Eventually the bag isn't big enough to hold all that carbon dioxide gas so it explodes!

Explanation:

hope it helps ig! :\

8 0
2 years ago
Other questions:
  • Describe the reason why a reaction between two substances comes to an end.
    14·1 answer
  • Consider the reaction between HCl and O2: 4HCl grams + O2 - 2 H2O liquid + 2 Cl2 grams When 63.1 grams of HCl react with 17.2 g
    15·1 answer
  • Please help me with chemistry!
    14·1 answer
  • 1. Circular movement around an axis​
    5·2 answers
  • This artwork took six colors to complete.
    8·1 answer
  • A substance made up of two or more types of atoms that are NOT chemically combined is called a(n)
    7·1 answer
  • Laura can use a toy car to demonstrate the force of gravity by doing which of these?
    14·1 answer
  • Methane (CH4) undergoes combustion. Which products form?
    9·2 answers
  • What is the mass in grams of 2.05 X 10^20<br> molecules of oxygen gas?
    12·1 answer
  • Why do you think evolution is important?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!