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Serjik [45]
3 years ago
7

If the density of D-2 diesel fuel is 55.0 lb/ft3, what is the mass of fuel in kilograms when a tank with volume 19.7 is full?

Chemistry
1 answer:
DaniilM [7]3 years ago
6 0

Answer:24.9

Explanation:

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A gas evolved during the fermentation of sugar was collected at 22.5°C and 702 mmHg. After purification its volume was found to
miskamm [114]

Answer:

A) 0.95 mol

Explanation:

We will assume the gas given off in the fermentation is an ideal gas because that allows us to use the ideal gas equation.

PV  = nRT

First let's convert all measurements to units that we can use

P = 702 mmHg * 1 atm/760 mmHg = 0.92368 atm

V = 25.0 L

R = 0.08206 L-atm/mol-K

T = 22.5 °C +273.15 = 295.65 K

PV  = nRT

0.92368 atm * 25.0 L = n * 0.08206 L-atm/mol-K * 295.65 K

                                  n = 0.9518 mol

4 0
3 years ago
When an object asorbs all light waves what color will it appear to be
olganol [36]
The colour will be white

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7 0
3 years ago
What statement bets explain how deforestation affects organisms
kati45 [8]

Answer:

It increases the amount of carbon dioxide in the air, enhancing global warming.

Explanation:

When deforestation occurs, carbon dioxide ultimately gets released in the

surrounding environment, causing global warming to increase in proximity

and way. Thus, the answer is greatly supported with legitimate facts.

I hope this helped!!

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7 0
3 years ago
5. Determine the number of liters in 4.32 grams of water (H2O). Answer: --_ 5.37L H2O__​
MariettaO [177]

Answer:

4.32 \frac{1}{18.01} ×\frac{22.4}{1} = 5.37

Explanation:

22.4 is how many liters per mole. 18.01 is the mass of H2O.

8 0
2 years ago
A new concept that is tested in a scientific investigation is known as
hram777 [196]

Answer : Hypothesis - When a new concept that is tested in a scientific investigation is used it is called as hypothesis.


Explanation : Hypothesis is defined as supposition or proposed explanation made on the basis of limited evidence, which acts as a starting point for any further investigation on a particular topic.


When a scientific investigation is conducted there is a quest to find the best possible answer to a question, using a scientific method.


In turn, the scientific method is defined as a systematic process in which it involves using measurable observations to formulate, test or modify a hypothesis.

4 0
3 years ago
Read 2 more answers
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