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3 years ago

Should we learn chemical kinetic derivation

Chemistry

2 answers:

kkurt [141]3 years ago

8 0

Answer:

Yes

Explanation:

It is important to learn about in science

Alex777 [14]3 years ago

4 0

Answer : Yes

Explanation:

One reason for the importance of kinetics is that it provides evidence for the mechanisms of chemical processes. Besides being of intrinsic scientific interest, knowledge of reaction mechanisms is of practical use in deciding what is the most effective way of causing a reaction to occur.

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Question 3 (Fill-In-The-Blank Worth 3 points)

forsale [732]

Answer:

I THINK 25,000 CG CONVERTS TO 250G

Explanation:

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3 years ago

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The density of osmium, which is the densest metal, is 22.57 g/cm^3. What is the mass of a block of osmium that measures 1.00 cm

olganol [36]

Density = Mass / Volume
V = 1.00 * 4.00 * 2.50 = 10 cm³
22.57 g/cm³ = Mass / 10 cm³
M = 22.57 g/cm³ * 10 cm³
M = 225.7 g
Answer: The mass of the block of osmium is 225.7 g.

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3 years ago

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HNO2 + CaCO3 = H2CO3 + Ca(NO2)<br><br> Can someone please balance this equation?!?!

katen-ka-za [31]

Balanced equation

So we see from inspection that H is not balanced. And by balancing H we have to add 2(NO2) and 2H

So the balanced equation is;

2HNO2 + CaCO3 = H2CO3 + Ca(NO2)2

Any questions feel free to ask.

4 0

4 years ago

How many moles of K+ and PO4^3- ions are present in 20.0 mL of a 0.015 M solution of potassium phosphate?

Romashka-Z-Leto [24]

Answer:

$n_{K^+}=0.0009molK^+$

Explanation:

Hello,

In this case, the first step is to compute the number of moles of potassium phosphate in 20.0 mL (0.020L) of the 0.015-M (mol/L) solution as shown below:

$n=0.020L*0.015\frac{mol}{L}=0.0003mol$

Thus, these moles correspond to potassium phosphate moles, which molecular formula is K₃PO₄, therefore, one mole of this compound contains three moles of potassium ions as it has three as its subscript in the formula. Thereby, the moles of potassium ions result in:

$n_{K^+}=0.0003molK_3PO_4*\frac{3molK^+}{1molK_3PO_4} \\\\n_{K^+}=0.0009molK^+$

Best regards.

7 0

3 years ago

Is this right? giving brainlt if you actually checked

Maksim231197 [3]

Answer:

yes it is

Explanation:

5 0

2 years ago

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