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Rzqust [24]
2 years ago
14

These are the smallest units that retain all of the properties of their type of matter

Biology
1 answer:
Ierofanga [76]2 years ago
5 0
I believe it would be an atom
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Gene expression in all organisms depends on protein synthesis. What is the last stage in protein synthesis
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Protein translocation: Termination of protein synthesis takes place at this stage which leads to the release of completed and fully synthesized proteins into cytoplasm. These proteins are then targeted to different sites for functioning by specific type of mechanisms.

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Which of the findings listed below support the dopamine hypothesis? amphetamines decrease dopamine and produce the positive symp
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A student is collecting the gas produced
marissa [1.9K]

Answer:

0.062 moles of hydrogen gas

Explanation:

We must first out down the reaction equation before we can attempt to solve the problem.

Mg(s) + 2HCl(aq) ----> MgCl2(aq) + H2(g)

Next we obtain the number of moles in 1.5 g of magnesium metal from;

Molar mass of magnesium = 24.3 gmol-1

Number of moles of magnesium= mass/molar mass = 1.5g/24.3gmol-1 = 0.062 moles

From the reaction equation;

1 mole of magnesium metal yields 1 mole of hydrogen gas

0.062 moles of magnesium metal will yield 0.062 moles of hydrogen gas

Therefore, reaction of 1.5g of magnesium metal with excess hydrochloric acid will yield 0.062 moles of hydrogen gas.

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3 years ago
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