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kodGreya [7K]
3 years ago
15

What is a logical way that you could begin to investigate why your tire had low air pressure? Look to see if there is a hole in

the tire. Feel the tire for air escaping from it. Place the bike in a warm location to see if the tire pressure increases. Apply an outside pressure to the tire and listen for air escaping from the tire.
Chemistry
2 answers:
Musya8 [376]3 years ago
8 0

Answer:

All answers

Explanation:

I just did it on edge

MrRissso [65]3 years ago
7 0

Answer:

Any of the answers given will work

Explanation:

I literally just did it.

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As a rock falls, some of its potential energy is transformed into kinetic energy. What is true about the mechanical energy durin
mars1129 [50]

Answer:

a or b

Explanation:

because those are the most likely to be true

now it gives you two options so i thinks it might be B but you could choose A you got two options choose wisely

4 0
2 years ago
A sample of hydrated magnesium sulfate (MgSO4)
yaroslaw [1]

Answer:

MgSO4.7H2O

Explanation:

Let the formula for the hydrated magnesium sulphate be MgSO4.xH2O

Mass of the hydrated salt (MgSO4.xH2O) = 12.845g

Mass of anhydrous salt (MgSO4) = 6.273g

Mass of water molecule(xH2O) = Mass of the hydrated salt — Mass of anhydrous salt = 12.845 — 6.273 = 6.572g

Now,we can obtain the number of mole of water molecule present in the hydrated salt as follows:

Molar Mass of hydrated salt (MgSO4.xH2O) = 24 + 32 + (16x4) + x(2 + 16) = 24 + 32 + 64 + x(18) = 120 + 18x

Mass of xH2O/ Molar Mass of MgSO4.xH2O = Mass of water / mass of hydrated salt

18x/120 + 18x = 6.572/12.845

Cross multiply to express in linear form

18x x 12.845 = 6.572(120 + 18x)

231.21x = 788.64 + 118.296x

Collect like terms

231.21x — 118.296x = 788.64

112.914x = 788.64

Divide both side by 112.914

x = 788.64 /112.914

x = 7

Therefore the formula for the hydrated salt (MgSO4.xH2O) is MgSO4.7H2O

6 0
2 years ago
Are babies producers or consumers or none? What about rocks? Are they producers or consumers?
Allushta [10]

Answer:

ummm according 2 me babies are consumers and rocks are also consumers

8 0
2 years ago
Heat energy is transferred by conduction whenever molecules?
joja [24]

I think the answer is D

8 0
3 years ago
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Which choice best explains how herd behavior helps young musk oxen survive?
laiz [17]

Answer:

A

Explanation:

'herd behavior' helps understand the question for the answer

7 0
2 years ago
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