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tamaranim1 [39]
3 years ago
13

When the pressure of a gas is held constant, if temperature increases then

Chemistry
2 answers:
Tatiana [17]3 years ago
7 0

Answer:

Increases I had this question

Tom [10]3 years ago
7 0

When the pressure of a gas is held constant, if temperature increases then

<h3>the volume <em><u>increases </u></em></h3>

.... Hope this will help...

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0.0136 g + 2.70 × 10-4 g - 4.21 × 10-3 g = ?
melisa1 [442]

Answer choice is , 2

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3 years ago
What happens in cellular respiration?
Alecsey [184]
Cellular respiration is the process of oxidizing food molecules, like glucose, to carbon dioxide and water. The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the cell. The process occurs in two phases: glycolysis, the breakdown of glucose to pyruvic acid.
7 0
3 years ago
Here are some data from a similar experiment, to determine the empirical formula of an oxide of tin. Calculate the empirical for
eduard

Answer:

Empirical formula of the Tin oxide sample is SnO₂

Explanation:

Tin reacts with combines with oxygen to form an oxide of tin.

Mass of crucible with cover = 19.66 g

Mass of crucible, cover, and tin sample = 22.29 g

Mass of crucible and cover and sample, after prolonged heating gives constant weight = 21.76 g

Mass of Tin oxide sample = 22.29 - 19.66 = 2.63 g

Mass of ordinary tin, after heating to breakdown the tin and oxygen = 21.76 - 19.66 = 2.1 g

Meaning that, mass of oxygen in the tin oxide sample = 2.63 - 2.1 = 0.53 g

Mass of Tin in the Tin Oxide sample = 2.1 g

Mass of Oxygen in the Tin oxide sample = 0.53 g

Convert these to number of moles

Number of moles of Tin on the Tin oxide sample = 2.1/118.71 = 0.0177

Number of moles of Oxygen in the Tin oxide sample = 0.53/16 = 0.0335

divide the number of moles by the lowest number

0.0177:0.0335

It becomes,

1:2

SnO₂

Hence, the empirical formula for the Tin oxide sample = SnO₂

7 0
3 years ago
The part of an atom where nearly whole mass is<br> concentrated is called
qwelly [4]

Answer:

.....is called nucleus which have a positive charge the positive charge in the nucleus is balanced by the negative electrons making an atom neutral

3 0
3 years ago
7) Which element would have the lowest first ionization energy? *<br> Li<br> Be<br> Na<br> Mg
olga_2 [115]

Answer:

Dos quintos al cuadrado dividido cinco medios a la menos 1.

Explanation:

7 0
3 years ago
Read 2 more answers
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