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makkiz [27]
3 years ago
14

Which isotope of lithium has 3 neutrons?

Chemistry
1 answer:
Veseljchak [2.6K]3 years ago
6 0
The two stable isotopes of lithium are Lithium 6 with three neutrons and lithium 7 with four neutrons. Lithium 7 is the predominant isotope, about 92.5%.
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There is 6.4% sales tax on 1,500 television how much tax is owned<br>​
Arturiano [62]

Answer:

What you need to know before I explain is how to add percents onto numbers.  What I'm saying is what and how to do 6.4% x 1500

1. You can't do a percent and number together, that's impossible

What you can do is convert the percent (6.4%) into a decimal

2. 6.4% is equivalent to 6.4/100, which is equivalent to 0.064

3.  Now, you multiply 0.064 x 1500

You will notice, hopefully, that you have a number smaller than 1500, but do not panic, you are on the right track!

4. Using the number you got, add that to 1500, and there's your total!

But, if you want only the tax, keep that small number you started off with!

Explanation:

6 0
3 years ago
Two elevators carry five passengers to the fifth floor. However, the elevators do not do the same work. Choose the best factor f
Kryger [21]

Answer:

B the weight of the passengers

8 0
3 years ago
Need help asap - There is an error in the rate-determining step of the following proposed mechanism.
sdas [7]

Answer:

CH4(g) + Cl2(g) → CH3(g) + HCl(g) and the rate rule is k1 = [CH4][Cl2]

Explanation:

Firstly, we must remember that the substitution reaction between halogens and alkanes to yield halogenoalkanes does not proceed by ionic mechanism rather it proceeds by free radical mechanism.

Now, if we look at the rate determining step as shown in the question, the elementary reaction equation of that step is not balanced.

Hence, the correct elementary reaction equation for the rate determining step and the rate law is; CH4(g) + Cl2(g) → CH3(g) + HCl(g) and the rate rule is k1 = [CH4][Cl2]

5 0
3 years ago
This is an example of a(n)
Sonbull [250]
That’s the correct answer I believe ^
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3 years ago
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Convert 3.82 inches to km
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the answer is 0.000097 KM

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4 years ago
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