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topjm [15]
3 years ago
9

Heat is the movement of thermal energy from one place to another. true or false

Chemistry
2 answers:
kykrilka [37]3 years ago
8 0

Thermal energy that is transferred from one substance to another; moves from warmer to cooler objects. So True.

yuradex [85]3 years ago
6 0

Answer: The given statement is true.

Explanation:

When particles of a substance or object attain internal energy due to the kinetic energy of its particles then this energy is known as thermal energy.

So, when two objects of different temperature are kept in contact with each other then this thermal energy flows from hotter object to cooler object.

This is known as heat is flowing from hot object to cool object.

Hence, we can conclude that the statement heat is the movement of thermal energy from one place to another, is true.

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If NaCl has a mass of 3.2g, what is the volume of chlorine gas at STP?
Shalnov [3]

Hey there!

Molar mass NaCl = 58.44 g/mol

58.44 g ----------------- 22.4 ( at STP )

3.2 g -------------------- Volume ??

Volume = ( 3.2 x 22.4 )  / 58.44

Volume = 71.68 / 58.44

Volume = 1.226 L

Hope this helps!

5 0
3 years ago
Read 2 more answers
Helps please 20 points
N76 [4]

Answer:

hi

Explanation:

3 0
3 years ago
The recommended single dose for acetaminophen is 10.0 to 15.0 mg/kg of body weight for adults. Using this guideline, calculate t
marshall27 [118]

Answer:

1.041g is the maximum sigle dose for the person

Explanation:

The maximum dose for acetaminophen is 15.0mg / kg of body weight for adults

To find the maximum single dosage for a person who weighs 153lb we must convert the lb to kg (1lb = 0.4536kg):

153lb * (0.4536kg / 1lb) =<em> 69.4kg is the mass of the person</em>

<em />

As the maximum dose is 15.0mg / kg, the dose of the person is:

69.4kg * (15.0mg acetaminophen / kg) =

<h3>1041mg = 1.041g is the maximum sigle dose for the person</h3>
7 0
3 years ago
If the mass of a material is 109 grams and the volume of the material is 24 cm3, what would the density of the material be? g/cm
MakcuM [25]
The units tell you:
g/cm³ = Mass (in grams) per (divided by) Volume (in cm³);
So:
109/24 = 4.54166..... ⇒ 4.54 g/cm³.
Always look at the units.
Just like for speed, you might have m/s so this is:
Distance (in meters) per (divided by) Time (in seconds).
6 0
4 years ago
How to balance N2 H2 NH3
Softa [21]
N2 H2 ——> NH3

Add a 3 in front of H2 and a 2 in front of NH3

So the answer would be

N2 3H2 ——> 2NH3
5 0
4 years ago
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