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Vlad [161]
3 years ago
9

What type of bonding holds the atoms in an h2o molecule together?

Chemistry
1 answer:
Ivanshal [37]3 years ago
3 0
Covalent bond  two non metals
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Describe the physical properties of each state of matter
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When a bullet is fired from a gun what is true about the momentum
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Specific gravity of a vegetable oil is 0.85. What is its density?
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3 years ago
Calculate the number of kilojoules of energy required to convert 50.0 grams of solid DMSO initially at a temperature of 19.0°C t
GuDViN [60]

Answer:

20.79 kilojoules

Explanation:

Using Q = m×c×∆T

Where;

Q = Quantity of heat (J)

c = specific heat capacity of solid DMSO (1.80 J/g°C)

m = mass of DMSO

∆T = change in temperature

According to the provided information, m= 50g, initial temperature = 19.0°C, final temperature= 250.0°C

Q = m×c×∆T

Q = 50 × 1.80 × (250°C - 19°C)

Q = 90 × 231

Q = 20790 Joules

To convert Joules to kilojoules, we divide by 1000 i.e.

20790/1000

= 20.79 kilojoules

Hence, 20.79 kilojoules of energy is required to convert 50.0 grams of solid DMSO to gas.

4 0
3 years ago
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