3 years ago

Atomic theory is

1 answer:

8 0

Atomic theory is the scientific inquiry of the nature of matter, which is subject to change as new information is discovered. The answer is A.

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How do elements of the periodic table affect economy

Bess [88]

They don’t, what you even on about

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3 years ago

Which substance absorbs 58.16 kJ of energy when 3.11 mol vaporizes? a)CH4 b)H2S c)CO2 d)NaCl

schepotkina [342]

Answer:

$H_2S$

Explanation:

Given the amount of heat absorbed and the amount of substance in moles, we may calculate the heat of vaporization. Heat of vaporization is defined as the amount of heat per 1 mole of substance required to evaporate that specific substance.

Based on the value of heat of vaporization, we will identify the substance. Firstly, let's calculate the heat of vaporization:

$\Delta H^o = \frac{58.16 kJ}{3.11 mol} = 18.7 kJ/mol$

Secondly, let's use any table for heat of vaporization values for substances. We identify that the heat of vaporization of $H_2S$ is 18.7 kJ/mol

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3 years ago

At 8:00, the temperature was 6 degrees Celsius (°C). Three hours later, the temperature was -13°C.

elena55 [62]

Answer:

It changed by -7 degrees Celsius.

Explanation:

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4 years ago

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Which country contributes the most green house gases to earth'satmosphere?

pshichka [43]

United states of america

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4 years ago

Please help!

Pavel [41]

Answer:

What happens when a piece of hot metal is dropped in room temperature water. Over time the metal will cool and the water will heat up. Eventually the two objects will have the same temperature. They are then said to be in thermal equilibrium with one another.

Explanation:

i hope this helps you!!

8 0

2 years ago