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4 years ago

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• Which group of cells is responsible for helping grow bone tissue, and can be converted from stem cells?

1 answer:

yuradex [85]4 years ago

7 0

Question number 1: Osteoblasts are a group of cells that helps grow bone tissue. These cells are converted from mesenchymal stem cells.
Question number 2: Having high amounts of collagen in the broken bone indicates that the broken bone is hard and strong. High amounts of collagen mean high bone tensile strength.

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3Fe+4H2O(yields) Fe3O4+4H2. What is the mole ratio of Fe3O4 to Fe?

WINSTONCH [101]

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

Mole ratio is defined as the ratio between the stoichiometric coefficients of the molecules present in the chemical reaction.

For the given balanced chemical equation:

$3Fe+4H_2O\rightarrow Fe_3O_4+4H_2$

By Stoichiometry of the reaction:

3 moles of iron metal reacts with 4 moles of water to produce 1 mole of iron oxide and 4 moles of hydrogen gas.

The mole ratio of $Fe_3O_4:Fe=1:3$

Hence, the correct answer is Option A.

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3 years ago

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Is sulfur a metal, nonmetal, metalloid, or noble gas?

Blababa [14]

Sulfer is a nonmetal

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2 years ago

What type of molecule is 3-hexyne?

Dahasolnce [82]

alkyl hope this helps :)

3 0

3 years ago

If it takes 38.70cm³ of 1.90 M NaOH to neutralize 10.30cm³ of H2SO4 in a battery, What's the Molarity of the H2SO4 ?

arlik [135]

Answer: 3.57M

Explanation:Please see attachment for explanation

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3 years ago

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How many grams of ammonia gas can be formed from 54.1 g of hydrogen gas

Murrr4er [49]

Answer:

304.19 g

Explanation:

M(H2) = 2*1 = 2 g/mol

54.1 g H2 * 1 mol H2/2gH2 = 27.05 mol H2

3H2 + N2 ------> 2NH3

from reaction 3 mol 2 mol

given 27.05 mol x mol

x = 27.05*2/3 = 18.03 mol NH3

M(NH3) = 14 +3*1 = 17 g/mol

18.03 mol NH3 * 17 g NH3/ 1 mol NH3 ≈ 307 g

Closeet answer is 304.19 g.

4 0

4 years ago