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Virty [35]
3 years ago
9

What type of change is boiling water? Why?

Chemistry
2 answers:
Kobotan [32]3 years ago
5 0
It'd be a physical change. This is because it's a change in the state of matter and not altering the chemical structure of water
ASHA 777 [7]3 years ago
4 0
When water heats to a boil, it is a physical change. The only thing that is changing is energy being added, it is still H2O. 
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What is the pressure of 0.60 moles of a gas if its volume is 10.0 liters at 35.0°C
eduard

Answer: 1.52 atm

Explanation:

Given that:

Volume of gas V = 10.0L

Temperature T = 35.0°C

Convert Celsius to Kelvin

(35.0°C + 273 = 308K)

Pressure P = ?

Number of moles = 0.6 moles

Molar gas constant R is a constant with a value of 0.0821 atm L K-1 mol-1

Then, apply ideal gas equation

pV = nRT

p x 10.0L = 0.6 moles x (0.0821 atm L K-1 mol-1 x 308K)

p x 10.0L = 15.17 atm L

p = 15.17 atm L / 10.0L

p = 1.517 atm (round to the nearest hundredth as 1.52 atm)

Thus, the pressure of the gas is 1.52 atm

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3 years ago
Why has diamond has a high melting point
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Well since covalent bonds are strong and diamonds contains a lot of covalent bonds, it makes the diamond's melting point and boiling point very high.

6 0
3 years ago
What size volumetric flask would you use to create a 0.50 M<br> solution using 10.00 g of CaBr2
SIZIF [17.4K]

Answer:

Explanation:

First convert the grams of Calcium Bromide to moles by using the atomic weight. Then use the formula for molarity, which is moles per liter.

CaBr2 = 199.9 g/mol

10/199.9 = 0.05 moles of CaBr2

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x = 0.1L or 100mL

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Answer:

Atoms are the building blocks of matter. They are the smallest particles of an element that still have the element's properties. All atoms are very small, but atoms of different elements vary in size. Three main types of particles that make up all atoms are protons, neutrons, and electrons.

Explanation:

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Water is the answer.
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