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s2008m [1.1K]
3 years ago
5

Mass is an intensive physical property because it is dependent on the size of the sample.

Chemistry
2 answers:
SVETLANKA909090 [29]3 years ago
4 0
Hi,
That’s FALSE. An intensive physical property is one that is independent of the size of the sample. Mass, on the other hand, is an extensive physical property, because it is dependent on the size of the sample.

Ann [662]3 years ago
4 0

Answer:

False

Explanation:

Physical properties of matter can be broadly classified into two categories:

-Intensive property

-Extensive property

Intensive properties are independent of the size or mass of matter i.e. they do not change as 'quantity' of matter changes. This includes: density, temperature, pressure etc

Extensive properties, in contrast are mass dependent and change as the amount of matter changes. Some examples include: mass, volume etc

The statement that mass is an intensive physical property because it is dependent on the size of the sample is False, instead mass is an extensive property.

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Identify each description as either a physical or chemical change.
Anettt [7]

Answer:

1 - physical

2 -chemical

3 - chemical

4 - physical

5 - physical

6 - chemical

7 - physical

8 - chemical

4 0
3 years ago
What causes a gas to act in a non ideal manner?
il63 [147K]
"The forces of attraction and the volume of the molecules" (as opposed to the volume of the container the gas is in).
8 0
3 years ago
Water flows from the bottom of a large tank where the pressure is 100 psig through a pipe to a turbine which produces 5.82 hp. T
Marianna [84]

Explanation:

Bernoulli equation for the flow between bottom of the tank and pipe exit point is as follows.

   \frac{p_{1}}{\gamma} + \frac{V^{2}_{1}}{2g} + z_{1} = \frac{p_{2}}{\gamma} + \frac{V^{2}_{2}}{2g} + z_{2} + h_{f} + h_{t}

    \frac{(100 \times 144)}{62.43} + 0 + h[tex] = [tex]\frac{(50 \times 144)}{(62.43)} + \frac{(70)^{2}}{2(32.2)} + 0 + 40 + 60

                          h = \frac{(50 \times 144)}{(62.43)} + \frac{(70)^{2}}{2(32.2)} + 40 + 60 - \frac{(100 \times 144)}{(62.43)}

                            = 60.76 ft

Hence, formula to calculate theoretical power produced by the turbine is as follows.

                                 P = mgh

                                     = 100 \times 60.76

                                     = 6076 lb.ft/s

                                     = 11.047 hp

Efficiency of the turbine will be as follows.

                \eta_{t} = \frac{P_{actual}}{P_{theoretical}} × 100%

                                = \frac{5.82}{11.047} \times 100%                      

                                = 52.684%

Thus, we can conclude that the efficiency of the turbine is 52.684%.

4 0
3 years ago
A resting adult requires about 240 ml of pure oxygen/mind and breathes about 12 times every minute. if inhaled air contains 20 p
Dmitry_Shevchenko [17]

12 times breathe give 240 ml of pure O_{2}. Each breathe gives 20 ml of O_{2}.

Let us consider, volume of air per breathe= x ml.

Pure O_{2} from inhaled air= \frac{20}{100}x ml and Pure O_{2} from exhaled air= \frac{16}{100}x ml.

Pure O_{2} from inhaled and exhaled air= 20 ml

So, \frac{20}{100}x + \frac{16}{100}x = 20

Therefore, x = 55.5 ml

So, volume of air per breath= 55.5 ml.


7 0
3 years ago
Look at the two thermometers.
salantis [7]

Answer:

Thermometer A, because it measures accurately to the tenths digit.

3 0
3 years ago
Read 2 more answers
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