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mamaluj [8]
2 years ago
15

Which type of scientist would most likely study how electricity could be

Chemistry
1 answer:
miv72 [106K]2 years ago
7 0

Answer:

A physicist

Explanation:

Physics is that aspect of science that deals with nature and matter in relation to energy. Electricity is a source for energy

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What is the molarity of 15.0 g of NaBR in 0.250 L of solution
Tom [10]

n = m/M = 15/102.894 = 0.1457811 moles

c = n/V = n / 0.25 = 0.58312438 moles/dm3

6 0
4 years ago
At 297 K , to what pressure can the carbon dioxide in the cartridge inflate a 3.79 L mountain bike tire? (Note that the gauge pr
Furkat [3]

Answer:

23.226 psi

Explanation:

From the source,

The mass of the carbon dioxide is:- 16.0 g

Molar mass of carbon dioxide = 44.01 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{16.0\ g}{44.01\ g/mol}

Moles of CO_2 = 0.3636 moles

Volume = 3.79 L

n = 0.3636 mol

Temperature = 297 K

Using ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 0.0821 L.atm/K.mol

Applying the equation as:

P × 3.79 L = 0.3636 mol × 0.0821 L.atm/K.mol × 297 K

⇒P = 2.34 atm

Also,  1 atm = 14.7 psi

So, Pressure = 2.34\times 14.7 psi = 37.926 psi

THus, pressure by the gas is:-

P = Total pressure - Atmospheric pressure = 37.926 - 14.7 psi = 23.226 psi

<u>The carbon dioxide in the cartridge inflate a 3.79 L mountain bike tire to 23.226 psi pressure.</u>

4 0
4 years ago
how many joules of heat are absorbed to raise the temperature of 435 grams of water at 1 atm from 25c to its boiling point 100c
Rasek [7]
It is 4.18 joules pr gram

Q=435* 4.18* (100-25)
Q=136.4kj
4 0
3 years ago
Not all of the water falls as rain, snow,or sleet evaporates. What happens to the rest of the water?
Bumek [7]
Hi there! All of the water returns to the atmosphere, it's called evapotranspiration and condenses. And then the water falls back to the Earth's surface and starts the cycle all over again. If you don't know what I mean, it's the Water Cycle.
4 0
3 years ago
What is the layer of the earths atmosphere that we live in
Maurinko [17]
The layer that we live in is the Troposphere.
Hope this answer is correct.
3 0
4 years ago
Read 2 more answers
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