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Kisachek [45]
3 years ago
5

The height of mercury in a closed-end manometer is 655 mm and the atmospheric pressure is 760 mm Hg.

Chemistry
1 answer:
Olenka [21]3 years ago
4 0

I don't understand

Explanation:

can u explain more

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Hurry PLEASE HELP!
avanturin [10]

B. 11,540

<h3>Further explanation </h3>

The atomic nucleus can experience decay into 2 particles or more due to the instability of its atomic nucleus.  

Usually radioactive elements have an unstable atomic nucleus.  

General formulas used in decay:  

\large{\boxed{\bold{N_t=N_0(\dfrac{1}{2})^{t/t\frac{1}{2} }}}

T = duration of decay  

t 1/2 = half-life  

N₀ = the number of initial radioactive atoms  

Nt = the number of radioactive atoms left after decaying during T time  

Nt=25 g

No=100 g

t1/2=5770 years

\tt 25=100\dfrac{1}{2}^{T/5770}\\\\\dfrac{1}{4}=\dfrac{1}{2}^{T/5770}\\\\2=T/5770\rightarrowT=11540~years

7 0
3 years ago
Yasmins teacher tells her that the solubility of salt is 360g/L at room temperature (25C) . How can yasmin make an unsaturated s
OLga [1]
35c that’s all I know to be honest
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3 years ago
An Argon atom will do which of the following when it forms an ion? Choose all that apply and are correct.
sattari [20]

Answer:

A

Explanation:

Noble gases are already stable

And since Argon is a noble gas it is stable

5 0
3 years ago
PLEASEEEEE ANSWERRR??
alekssr [168]
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Identify a situation in which you would want to have a high resistance and a situation in which youwould want to have a low resi
adoni [48]
When you're being held hostage, you're going to want to have low resistance. Sure, it's not going to guarantee you'll live, however, it'll surely buy you time for support, think for a plan, and sadly delay your demise. High Resistance during workouts for better muscle. In contrast though, do you mean electrical resistance? That would be a different answer.
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