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vesna_86 [32]
3 years ago
15

PH

Chemistry
2 answers:
maxonik [38]3 years ago
6 0

Answer:

C) chemical properties

Explanation:

These may all be classified as chemical properties of a substance. A chemical property is a property that may be observed during a chemical reaction with another substance.

Orlov [11]3 years ago
5 0

Explanation:

A chemical property is defined as the property that brings changes in chemical composition of a substance.

For example, flammability, combustion, reactivity, electronegativity etc are allchemical properties.

On the other hand, a property that does not bring any change in chemical composition of a substance is known as a physical property.

For example, shape, size, mass, density etc are all physical properties.

Thus, we can conclude that these may all be classified as chemical properties of a substance.

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A woman has a body mass of 53 kg. What is her mass in grams?
Alekssandra [29.7K]

Answer:

53000 grams

Explanation:

1kg to grams = 1000

therefore;

53 × 1000= 53000 grams

please rate brainliest

7 0
1 year ago
Read 2 more answers
A sample of oxygen gas in one container has a volume of 20.0mililiter at 297 K and 101.3 kPa. The entire sample is transferred t
VashaNatasha [74]

Answer: V_2=\frac{101.3kPa\times 20.0ml\times 283K}{297K\times 94.6kPa}

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,:

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

V_2=\frac{P_1V_1T_2}{T_1P_2}

where,

P_1 = initial pressure of gas = 101.3 kPa

P_2 = final pressure of gas = 94.6 kPa

V_1 = initial volume of gas = 20.0 ml

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 297K

T_2 = final temperature of gas = 283K

Now put all the given values in the above equation, we get the final volume of gas.

V_2=\frac{101.3kPa\times 20.0ml\times 283K}{297K\times 94.6kPa}

V_2=20.4ml

Thus the correct numerical setup for calculating the new volume is \frac{101.3kPa\times 20.0ml\times 283K}{297K\times 94.6kPa}

3 0
3 years ago
What year will Aquarius be visible from Earth’s North Pole?
Minchanka [31]

Answer:

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Explanation:

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3 years ago
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Explanation:

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