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pentagon [3]
3 years ago
14

Convert 175 g of H,O into moles.

Chemistry
1 answer:
devlian [24]3 years ago
3 0

Answer:

9.71397613581

that'll help ya

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How do I balance chemical equations ?<br>​
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To balance a chemical equation, we must make sure that there are equal amounts of each element in the equation on either side.

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Balanced nuclear equation forces the alpha decay Po-210
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Answer:

_{84}^{210}\text{Po} \longrightarrow \, _{82}^{206}\text{Pb} \, + \, _{2}^{4}\text{He}

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Your unbalanced nuclear equation is:

_{84}^{210}\text{Po} \longrightarrow \, _{x}^{y}\text{Z} + \, _{2}^{4}\text{He}

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.  

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210 = y + 4, so y = 210 - 4 = 206

Element 82 is lead, so the nuclear equation becomes

_{84}^{210}\text{Po} \longrightarrow \, _{82}^{206}\text{Pb} \, + \, _{2}^{4}\text{He}

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3 years ago
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Evaporation occurs when water molecules on the surface gain enough energy to enter the atmosphere. However, stronger intermolecular forces between water molecules cause them to be strongly attracted to each other and to tend to stay in the liquid phase. When the temperature is raised (when heat is applied), more molecules gain the energy needed to escape these intermolecular forces and go into the vapor phase.
Therefore the best answer is D.

3 0
3 years ago
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