4 years ago

Write the formula for compound formed between pb^2+O^2

Chemistry

1 answer:

Zarrin [17]4 years ago

7 0

Its what the formula of a coupon between PB to plus plus to

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Write a story of your life when you were hurted by someone whom you trusted blindly...

SOVA2 [1]

Answer:

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3 years ago

Give 3 example<br>of a<br>solid that sublimes.

tino4ka555 [31]

Here are a few examples :)

iodine (I2)

naphthalene

aresenic (As)

ferrocene

water (H2O)

carbon dioxide (CO2)

Hope this helps :)

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3 years ago

if 2.0 g of hydrogen sulfide, H2S(g) reacts with 5.0 g of sodium hydroxide what mass of the excess reactant is present when the

Ronch [10]

Answer: iits 9.g

Explanation:

7 0

3 years ago

In this reaction: Mg (s) + I₂ (s) → MgI₂ (s) If 2.68 moles of Mg react with 3.56 moles of I₂, and 1.76 moles of MgI₂ form, what

melomori [17]

Answer:

$Y=65.7\%$

Explanation:

Hello,

In this case, for the given chemical reaction, we first identify the limiting reactant by noticing that due to the 1:1 mole ratio for magnesium to iodine the reacting moles must the same, nevertheless, there are only 2.68 moles of magnesium versus 3.56 moles of iodine, for that reason, magnesium is the limiting reactant, so the theoretical turns out:

$n_{MgI_2}^{theoretical}=2.68molMg*\frac{1molMgI_2}{1molMg} =2.68molMgI_2$

Thus, we compute the percent yield as:

$Y=\frac{n_{MgI_2}^{real}}{n_{MgI_2}^{theoretical}} *100\%=\frac{1.76mol}{2.68mol} *100\%\\\\Y=65.7\%$

Best regards.

8 0

3 years ago

Which of the following best describes regolith?

almond37 [142]

A. <span>the layer of rock and mineral fragments that covers nearly all of Earth's land surface</span>

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3 years ago

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