2 years ago

What planets could have salts

1 answer:

3 0

Answer:

Earth is the only planet in the solar system with large quantities of surface water, and with water comes all the things that dissolve in it, including salt.

Explanation:

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Which of the following is required for photosynthesis to take place?

Nonamiya [84]

Answer: Answer is D, water

Explanation: Water is the correct option among all and other options like sugar, oxygen and ATP are the products of the photosynthesis. Water is required along with other reactants to produce these products.

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2 years ago

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How many moles of C2H2 are needed to react completely with 84 mol O2

Butoxors [25]

Balanced chemical equation:

2 C2H2 + 5 O2 = 4 CO2 + 2 H2O

2 moles C2H2 ---------------- 5 moles O2
moles C2H2 ------------------ 84 moles O2

moles C2H2 = 84 * 2 / 5

molesC2H2 = 168 / 5 => 33.6 moles of C2H2

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3 years ago

There are two types of nucleic acids, dna and rna. nearly all organisms use dna, not rna, as the central repository for genetic

Leya [2.2K]

Found the choices. Pls see attachment.

The statements that explains this phenomenon are:
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2 years ago

A wooden block has a volume of 25.3 cm3. Its mass is 17.0g. What is the density of this block?

kolbaska11 [484]

Density = (mass) / (volume)

Density = (17.0 g) / (25.3 cm³) = 0.672 gm per cm³. (rounded)

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3 years ago

Why is calcium in group 2A if the modern periodic table

nasty-shy [4]

Calcium is in group 2A because it has two valence electrons and an oxidation state of 2+. Hope this is accurate & helpful! Enjoy your evening.

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2 years ago