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Stells [14]
3 years ago
12

How much heat must be transferred to 3500 g of liquid water to change the

Chemistry
1 answer:
dem82 [27]3 years ago
6 0

Answer:

aaa

Explanation:

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What is the molarity of a sodium hydroxide solution containing 2 moles of NaOH with a volume of .5L?
Maksim231197 [3]

Answer:

0.4M NaOH

Explanation:

Molarity, M, is an unit of concentration widely used defined as the ratio between moles of solute (In this case, NaOH) and volume of solution in liters.

As the solution contains 2 moles of NaOH-Moles of solute- in 5L of solution, the molarity is:

2 moles NaOH /  5L =

<h3>0.4M NaOH</h3>
5 0
3 years ago
Find the mass of 0.456 mol of Ca(OH)2 <br> Please if you can show the work.
m_a_m_a [10]

Answer:

Ca(OH)2 molecular weight. Molar mass of Ca(OH)2 = 74.09268 g/mol. This compound is also known as Calcium Hydroxide. Convert grams Ca(OH)2 to moles or moles Ca(OH)2 to grams. Molecular weight calculation: 40.078 + (15.9994 + 1.00794)*2 ››

3 0
3 years ago
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Assuming all volume measurements are made at the same temperature and pressure, how many liters of oxygen gas would it take to r
EleoNora [17]
2H2 (g) + O2 (g) -->2H2 O(g)
mole ratio of H2:O2=2:1
7.25/2=3.625
3 0
3 years ago
Find the mass of 3.00 mol of acetic acid, C2H4O2.
Alexeev081 [22]
Molar mass 

C₂H₄O₂  = 60.0 g/mol

n = mass / molar mass

3.00 = mass / 60.0

m = 3.00 * 60.0

m = 180 g of <span>C₂H₄O₂ 

hope this helps!</span>
5 0
3 years ago
Which of the following produces a physical change in the shape of an object?
bogdanovich [222]

Answer:Any change that occurs without altering the chemical composition of a substance is a physical change. Physical changes can include changing the color, shape, state of matter, or volume of a substance. It is crucial to remember that physical changes never alter the chemical makeup.

Explanation:

i hope that helps u try to figure it out a little bit sorry i couldn't find your answer i didn't have much to go off of

8 0
3 years ago
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