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cestrela7 [59]
3 years ago
7

How many cm are equal to 1.45 m

Chemistry
1 answer:
Dima020 [189]3 years ago
8 0

There are 145 centimeters in 1.45 meters.

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I need help ASAP
vova2212 [387]

Answer:

1.4 g/cm3

Explanation:

Density = Mass/Volume

Mass = 21g

Volume = 15cm3

Density = 21/15 = 1.4

8 0
2 years ago
Which of the following can be characterized as a physical change?
Taya2010 [7]

Answer:

D. Sweat evaporates from your skin

Explanation:

A physical change is a reversible process, no new substance is formed. A physical change does not affect the chemical composition of a substance.

Sweat evaporation from the skin is a physical change, because the change that occur is merely a change of state, Liquid to Gaseous state, no new substance is formed.

7 0
3 years ago
Saturn is about 1 429 000 km from the sun. how many meters is saturn from the sun?
stira [4]

Answer:

1.493 trillion

Explanation:

8 0
3 years ago
Read 2 more answers
Hydrogen peroxide can decompose to water and oxygen by the following reaction
mestny [16]
To begin calculating, there is one thing you need to remember :1 mole of H2O2=34.0148 g
Then we have 5.00g of H2O2=5/34.0148=0.146995
As you know decomposition of 2moles now has prodused <span>196kj
So, </span><span>q is made due </span>0.146995 moles of H2O2=(-196/2)*0.146995=-14.40551Kj
I'm sure it will help.
6 0
2 years ago
Phosphorus trichloride, PCl3, decomposes to form elemental phosphorus and chlorine. The equation is: 4PCl3 → P4 + 6Cl2. Balance
TiliK225 [7]
19 grams of Cl2 is the correct answer                <span>

</span>
5 0
3 years ago
Read 2 more answers
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