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son4ous [18]
2 years ago
8

A large sport utility vehicle has a mass of 2600 kg.

Chemistry
1 answer:
Pepsi [2]2 years ago
4 0
<span>Mass of CO2 = 225.632g</span>
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How many moles of dinitrogen monoxide are present in 9.3 x 10^22 molecules of this compound?
Step2247 [10]

Answer:

<h2>0.15 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities.

From the question we have

n =  \frac{9.3 \times  {10}^{22} }{6.02 \times  {10}^{23} }  \\  = 0.154485...

We have the final answer as

<h3>0.15 moles</h3>

Hope this helps you

8 0
3 years ago
How many grams of H2O2 are in 3 moles of H2O2?
stira [4]

Answer:

The answer is 102.3!

Explanation:

you get this by multiplying 34.1 x 3 to get 102.3.

Wondering why you multiply 34.1 times 3?

WELLLLLLLLLLL...

when you get 1 mole of h202, you get 34.1 so if you ask for 3 moles of H202, you get 102.3!

4 0
2 years ago
Methyl violet is an indicator that changes color over a range from pH=0.0 to pH=1.6. What is Ka of methyl violet?
Tju [1.3M]

it's basic in nature

7 0
3 years ago
On a temperature versus time graph, how does the temperature at the beginning of a change of state compare with the temperature
sweet-ann [11.9K]

the answer is ALWAYS THE SAME.

5 0
3 years ago
Read 2 more answers
What is the number of oxygen atoms in 32grams of the gas​
Lady bird [3.3K]

One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.

7 0
2 years ago
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