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3 years ago

In general, the greatest variation happens in populations of organisms that reproduce_____.

Chemistry

1 answer:

insens350 [35]3 years ago

8 0

Explanation:

A.) Asexually would be the correct answer!

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What state of matter is glass? Why does this seem odd?

melamori03 [73]

Answer:

solid

Explanation:

It is called an amorphous solid because it lacks the ordered molecular structure of true solids, and yet its irregular structure is too rigid for it to qualify as a liquid.

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3 years ago

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What 12 letter word explains the protection of animals and resources here on Earth?

mezya [45]

Conservation

conservation is the act of protecting animals and resources for current and future generations

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3 years ago

Explain reaction of metals with the following with the help of chemical equations; i) with acids ii) with oxygen iii) with water

Cerrena [4.2K]

i. When an acid reacts with metal, a salt and hydrogen are produced:

ii. When oxygen and metal react, metal oxide forms also known as rust

iii. Acid and water produce hydroxide ions

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3 years ago

Pls help me !!!! Is for chemistry

Sphinxa [80]

Answer:

Explanation:

1) Molarity of the solution is (0.50/0.75)x1 = 0.66666 Mol/L

2) Molar mass of NaCl is 23+35 = 58g

Molarity = (0.5/58)/0.075 = 0.115 Mol/L

3) Molar mass of $Li_{2}SO_{4}$ = 7x2 + 32 + 16x2 = 78g

Molarity = (734/78)/0.875 = 10.754 Mol/L

5) Molar mass of $Pb(C_{2}H_{3}O_{2})_{4}$

= 207.2 + ((12x2) + (1x3) + (16x2))x4

= 207.2 + (24+3+32)x4 = 443.2g

Molarity = (0.0672/443.2)/0.1335 = 0.001135 Mol/L

6) Both are the same.

Solution 1 Molarity = 1.0/1.0 = 1 Mol/L

Solution 2 Molarity = 1.0/1.0 = 1 Mol/L

Molarities of the solutions are the same.

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3 years ago

based on the positions in the periodic table, which two elements would mostly readily combine to make a stable compound

Advocard [28]

Elements that there Electrons equal a multiple of 8 because then they become a noble gas.

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3 years ago