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Anna [14]
3 years ago
10

Why is the greenhouse effect important to life on Earth?

Chemistry
2 answers:
Misha Larkins [42]3 years ago
8 0

Answer:

d

Explanation:

In simplest terms, "greenhouse gases" let sunlight through to the earth's surface while trapping "outbound" radiation. This alters the radiative balance of the earth (see Figure A. 1) and results in a warming of the earth's surface.

In-s [12.5K]3 years ago
3 0

Answer:

b

Explanation:

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How many atoms of Oxygen (O) are there in the products of the following equation:
xenn [34]

Answer:

4.

You see, 2 atoms of O in the CO₂ and 2 O in the 2 moles of H₂O

Explanation:

CH₄ + 2O₂ → CO₂ + 2H₂O

8 0
3 years ago
The mass number of an atom is obtained by totaling the number of _____ and _____.
son4ous [18]
Mass number is the sum of protons and neutrons inside an atom.

Atomic mass = no. of protons + no. of neutrons
8 0
3 years ago
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How many moles of KOH are required to produce 4.79 g K3PO4 according to the following reaction? 3KOH + H3PO4 -----> K3PO4 + 3
8_murik_8 [283]

Answer:

0.677 moles

Explanation:

Take the atomic mass of K = 39.1, O =16.0, P = 31.0

no. of moles = mass / molar mass

no. of moles of K3PO4 used = 4.79 / (39.1x3 + 31 + 16x4)

= 0.02256 mol

From the equation, the mole ratio of KOH : K3PO4 = 3 :1,

meaning every 3 moles of KOH used, produces 1 mole of K3PO4.

So, using this ratio, let the no. of moles of KOH required to be y.

\frac{3}{1} =\frac{y}{0.02256} \\

y = 0.02256 x3

y = 0.0677 mol

If you don't find exactly 0.677 moles as one of the options, go for the closest one. A very slight error may occur because of taking different significant figures of atomic masses when calculating.

5 0
3 years ago
HEEELP! :)
Nadusha1986 [10]

A  substance can dissolve in another when they have thee same type of intermolecular interaction.

<h3>What is solubility?</h3>

The term solubility of a solute refers to the extent to which a solute dissolve in a solvent. We must know that a substance can dissolve in another when they have thee same type of intermolecular interaction.

Thus;

a) Octane (C8H18) mixes well with CCl4 because they are both non polar substances.

b) Methanol (CH3OH) is mixed with water in all ratios because the both are polar substances.

c) NaBr dissolves very poorly in acetone (CH3 ― CO ― CH3) because acetone is only slightly polar.

Learn more about solubility:brainly.com/question/8591226

#SPJ1

8 0
2 years ago
Horizontal<br> rows are called
klio [65]
In math it’s just horizontal in science it’s periods
5 0
3 years ago
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