Copper(i) ions in aqueous solution react with nh3(aq) according to

Answers

Answer 1

Answer: The complete question is; copper (i) ions in aqueous solutions react with NH3(aq) according to;
Cu +2NH3 = Cu(NH3)2 Kt= 6.3 × 10^10
Calculate K
Cu + 2NH3 = Cu(NH3)2
kf = 6.3 ×10^10
The ksp for CuBr = Cu + Br = 6.3 × 10^-9
For the reaction; CuBr +2NH3 = Cu(NH3)2 + Br to calculate K?
K = (6.3 × 10^10)(6.3×10^-9)
Thus K is 396.9

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Sandy went to the candy store and wanted to use dimensional analysis she had learned in class. She only had a certain amount of money to spend. In terms of price, she figured out the following: 6 lollipops = 5 gum balls, 10 lemon heads = 16 redhots, 8 gum balls = 9 lemon heads. If sandy knows she could buy 3 lollipops, how many lemonheads could she buy with the same money?

Answers

Answer:

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Explanation:

Answer:

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Which of the radioactive emissions has the highest energy

Answers

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Add 3 x 10^9 +5.3 x 10^10

Answers

Add 3 x 10^9 +5.3 x 10^10

3 x 10^9
+5.3 x 10^10
------------------
5.6 x 10^10

Answer:

3*10⁹ + 5.3*10¹⁰ = 5.6*10¹⁰

Explanation:

The values are given as exponents:

3*10⁹ and 5.3*10¹⁰

As per the rules:

-Before adding two numbers, all exponents must be the same

-The addition takes place between the numerical portion of the numbers

- The final value is rounded off to the least places in the decimal portion of the given numbers

Therefore, the two numbers to be added are:

$3*10^(9)+53*10^(9)=56*10^(9)$

Rounded off the final value to 1 decimal place gives:

5.6*10¹⁰

Give examples of how low and high levels of radiation can each be helpful.

Answers

Visible light
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Radio waves
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And so on!
Hope this is helpfull! :D
~Korey

Give the chemical name and formula for limestone.

Answers

CaCO3, it's called calcium carbonate :D

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Determine the pH of 0.450 M HC7H5O2. The Ka for HC7H5O2 is 6.5 × 10⁻⁵.

Answers

the pH of 0.450 M HC7H5O2. The Ka for HC7H5O2 is 6.5 × 10⁻⁵.

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