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lbvjy [14]
3 years ago
9

A ________ is the distance between the crests of successive waves.

Chemistry
2 answers:
ANTONII [103]3 years ago
8 0

Answer:

wavelength

Explanation:

Had the same question

Cloud [144]3 years ago
4 0

Answer:

wavelength

Explanation:

I had it on my science test from three years ago.

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If the black dot is sound, which direction is the sound in the picture moving? *
Tema [17]

Answer:

Left or up, either one of those

Explanation:

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3 years ago
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A 0.1326 g sample of magnesium was burned in an oxygen bomb calorimeter. the total heat capacity of the calorimeter plus water w
Sladkaya [172]

Answer: Th enthalpy of combustion for the given reaction is 594.244 kJ/mol

Explanation: Enthalpy of combustion is defined as the decomposition of a substance in the presence of oxygen gas.

W are given a chemical reaction:

Mg(s)+\frac{1}{2}O_2(g)\rightarrow MgO(s)

c=5760J/^oC

\Delta T=0.570^oC

To calculate the enthalpy change, we use the formula:

\Delta H=c\Delta T\\\\\Delta H=5760J/^oC\times 0.570^oC=3283.2J

This is the amount of energy released when 0.1326 grams of sample was burned.

So, energy released when 1 gram of sample was burned is = \frac{3283.2J}{0.1326g}=24760.181J/g

Energy 1 mole of magnesium is being combusted, so to calculate the energy released when 1 mole of magnesium ( that is 24 g/mol of magnesium) is being combusted will be:

\Delta H=24760.181J/g\times 24g/mol\\\\\Delta H=594244.3J/mol\\\\\Delta H=594.244kJ/mol

4 0
3 years ago
Describe what the specific heat capacity (c) tells us about a substance. *<br> Your answer
NeX [460]

Answer:

it tells us of the specific amount of energy required to change the state of one mole of a substance either from solid to liquid or liquid to gas and vice versa without change in temperature

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3 years ago
Jvjvjvjvjvjbjbkbjbjjbjb
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i don't understand your question.

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Too confusing to read

8 0
3 years ago
Why can you never see the far side of the mood from earth?
horsena [70]
The answer is C, because the moon does rotate it just rotates at the perfect time for us to never side the other side of it.  
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