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ad-work [718]
3 years ago
7

How much heat is absorbed when 70 grams of

Chemistry
1 answer:
mart [117]3 years ago
8 0

Answer:

Thus, the joules of heat absorbed when 70.0 grams of water is completely vaporised at its boiling point are 158,200.

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Please help with this question
tamaranim1 [39]
1.806x10^24
Written equation form(always start the equation off with what you know based off of the question!):

3mol(CCl4)•6.022x10^23/1mol = 1.806x10^24

Good luck!
3 0
3 years ago
A prospector pans for gold in a stream.
saveliy_v [14]

Answer:

Mixture

Explanation:

When a prospector scoops up part of the stream bed, the pan contains stream sediments.

3 0
3 years ago
Which color has the longest wavelength?
aev [14]
Red has the longest wavelength
7 0
3 years ago
Which of the following transition is considered the phase<br> change from water to steam?
Alexandra [31]

Answer:

the transition from water to steam is call evaporation.

Explanation:

water evaporates or vaporizes and turns into steam this typically happens when heat meets with the water. an example would be if you boil water steam will release from the pot, or when it rains, snows, etc (precipitation) the water evaporates and the ground dries.

4 0
3 years ago
2). A student collects 425 L of oxygen at a temperature of 24.0°C and a pressure
Mazyrski [523]

Answer:

15.5 moles

Explanation:

Applying,

PV = nRT.................. Equation 1

Where P = pressure, V = Volume, n = number of mole, R = molar gas constant, T = Temperature.

Make n the subject of the equation

n = PV/RT............... Equation 2

From the question,

Given: P = 0.899 atm, V = 425 L, T = 24 °C = (273+24) K = 297 K.

Constant: R = 0.083 L.atm/K.mol

Substitute these values into equation 2

n = (0.899×425)/(297×0.083)

n = 15.5 moles

4 0
3 years ago
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