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Masja [62]
3 years ago
8

Which answer tells the reason the earth’s climate is getting warmer?

Chemistry
2 answers:
Soloha48 [4]3 years ago
5 0
Driving cars gives off gases that trap heat in the atmosphere
Aleksandr [31]3 years ago
4 0

Answer:

i think that cars give of energy that traps the heat thats why it be so hot out side

Explanation:

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H2SO4 +HI → __ H2S+12 +H2O balance the equation
Citrus2011 [14]

Answer:

H2SO4 + 8HI → H2S + 4I2 + 4H2O

3 0
2 years ago
What is the reason behind that the melting and boiling point of iron is more than that of sodium?​
sweet [91]

Answer:

As metals are giant lattice structures, the number of electrostatic forces to be broken is extremely large, and so metals have high melting and boiling points. This means that the melting point and boiling point of metals are more similar to those for ionic compounds than for covalent substances.

Explanation:

3 0
3 years ago
A lake in California contains about 8,500,000,000,000 gallons of water. How can this
aniked [119]

Answer:

8.5 * 10^11

Explanation:

8 0
3 years ago
What structure do all of these elements have in common?
Dmitrij [34]
The answer is c because of going left to right
7 0
3 years ago
Read 2 more answers
Formaldehyde is a carcinogenic volatile organic compound with a permissible exposure level of 0.75 ppm. At this level, how many
Flauer [41]

Answer : The amount of formaldehyde permissible are, 5.4\times 10^{-6}g

Explanation : Given,

Density of air = 1.2kg/m^3=1.2g/L     (1kg/m^3=1g/L)

First we have to calculate the mass of air.

\text{Mass of air}=\text{Density of air}\times \text{Volume of air}

\text{Mass of air}=1.2g/L\times 6.0L

\text{Mass of air}=7.2g

Now we have to calculate the amount of formaldehyde.

Permissible exposure level of formaldehyde = 0.75 ppm = \frac{0.75g\text{ of formaldehyde}}{10^6g\text{ of air}}

Amount of formaldehyde in 7.2 g of formaldehyde = 7.2g\times \frac{0.75g\text{ of formaldehyde}}{10^6g\text{ of air}}

Amount of formaldehyde in 7.2 g of formaldehyde = 5.4\times 10^{-6}g

Thus, the amount of formaldehyde permissible are, 5.4\times 10^{-6}g

8 0
3 years ago
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