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STALIN [3.7K]
3 years ago
12

Write the chemical equation: hydrogen peroxide decomposes to yield oxygen gas and water.

Chemistry
1 answer:
Doss [256]3 years ago
6 0

Explanation:

2 H2O 2 → 2H 2 O + O2.........

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what is a measure of the amount of matter in an object while what is a measure of the force of gravity acting on an object
masha68 [24]
A measure for the amount of matter in an object would be grams or kilograms.
the measure of the force of gravity acting on an object would be newtons.

the amount of matter in an object is called mass.
the force of gravity acting upon an object would be called weight.
7 0
2 years ago
Determine the specific heat of a material if a 35. Gram sample absorbed 96. Joules of energy as it was heated from 293 K to 313
podryga [215]

The specific heat of a material is 0.137 J/g°C.

<u>Explanation:</u>

The specific heat formula relates the heat energy required to perform a certain reaction with the mass of the reactants, specific heat and the change in temperature during the reaction.

Q = mcΔT

Here m is the mass, Q is the heat energy required, ΔT is the change in temperature and c is the specific heat.

So, if we have to determine the specific heat of the object, then we have to determine the ratio of heat required to mass of the object with change in time, as shown below.

c = \frac{Q}{m\ \times\ delta\ T}

As mass of the object m is given as 35 g and the energy is said to be absorbed so Q = 96 J.

The temperature values given should be changed from kelvin to celsius first. So, initial temperature 293 K will become 293-273.15 = 19.85°C.

Similarly, the final temperature will be 313 - 273.15 = 39.85°C.

Then, ΔT = 39.85-19.85 = 20 °C

Then,

c = \frac{96}{35 \times 20} =\frac{96}{700}  = 0.137 J/g^{o}C

So, the specific heat of a material is 0.137 J/g°C.

6 0
3 years ago
Why didn't scientists know about atoms for a long time
fredd [130]
They didnt have a powerfull enough microscope to see them an when they could they were moving to fast unless they were cold

6 0
3 years ago
Which one of the following is an incorrect orbital notation?
Alexxx [7]

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

4 0
3 years ago
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Xian drew a diagram to compare deletion mutations and substitution mutations. Which label belongs in the area marked "X"? may ch
tankabanditka [31]

Answer: (B)

Explanation: Decreases the number of bases in the sequence.

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3 years ago
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