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mr Goodwill [35]
2 years ago
11

Please help !!!!!!!!!!!

Chemistry
2 answers:
Sindrei [870]2 years ago
6 0

Answer:

Iron wood is very dense and will sink in water. B

Explanation:

Hope this helps!!

Komok [63]2 years ago
5 0

Answer:

B

Explanation:

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19.3 g of cadmium hydroxide reacted with 15.21 g of hydrobromic acid. How many grams of water can be made?
Alecsey [184]

Answer:

m_{H_2O}=3.384gH_2O

Explanation:

Hello,

In this case, the chemical reaction is:

Cd(OH)_2+2HBr\rightarrow CdBr_2+2H_2O

Thus, we first identify the limiting reactant by computing the yielded moles of water by both of the reactants:

n_{H_2O}^{by\ Cd(OH)_2}=19.3gCd(OH)_2*\frac{1molCd(OH)_2}{146.4gCd(OH)_2}*\frac{2molH_2O}{1molCd(OH)_2}=0.264molH_2O\\\\n_{H_2O}^{by\ HBr}=15.21gHBr*\frac{1molHBr}{80.9gHBr}*\frac{2molH_2O}{2molHBr}=0.188molH_2O

In such a way, since HBr yields less water than cadmium hydroxide, we infer that HBr is the limiting one, therefore, the yielded mass of water are:

m_{H_2O}=0.188molH_2O*\frac{18gH_2O}{1molH_2O}\\ \\m_{H_2O}=3.384gH_2O

Regards.

4 0
3 years ago
What are the three parts of the cell theory?
tamaranim1 [39]
First cell theory. All living things are composed of cells.
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I need help Immediately oleae
Burka [1]

Answer:

B) atom 1 and atom 4

Explanation:

5 0
3 years ago
8. Taşma seviyesi 150 cm olan taşırma kabı
irina1246 [14]

Answer:

its a 3/8 you got it your smart

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 Please answers only , 100 pts and brainliest, wrong answers will be reported.
gavmur [86]

Answer:

.2mol/L

Explanation:

4 0
3 years ago
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