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Rus_ich [418]
3 years ago
5

Use the drop-down menus to answer the questions.

Chemistry
2 answers:
alexgriva [62]3 years ago
6 0

Answer:

1. A

2. B and C

Explanation:

got it right in edg (see pic)

Vinvika [58]3 years ago
5 0

Answer:

A B C

Explanation:

person above is right

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Is sublimation exothermic or endothermic
Masja [62]

Answer:

endormic

Explanation:

It occurs at a temperature and pressures below a substance's triple point on its phase diagram, which corresponds to the lowest pressure at which the substance can exist as a liquid

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Having a child will change your financial obligations, and can lead to a career change.
MrRa [10]
Yes, that's a true statement?
3 0
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All moons in our solar system are similar in appearance
Murrr4er [49]

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yes

Explanation:

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7 0
3 years ago
A metal ion Mⁿ⁺ has a single electron. The highest energy line in its emission spectrum occurs at a frequency of 2.961 x 10¹⁶ Hz
Whitepunk [10]

Answer:

z≅3

Atomic number is 3, So ion is Lithium ion (Li^+)

Explanation:

First of all

v=f*λ

In our case v=c

c=f*λ

λ=c/f

where:

c is the speed of light

f is the frequency

\lambda=\frac{3*10^8}{2.961*10^{16}}\\ \lambda=1.01317*10^{-8} m

Using Rydberg's Formula:

\frac{1}{\lambda}=R*z^2*(\frac{1}{n_1^2}-\frac{1}{n_2^2})

Where:

R is Rydberg constant=1.097*10^7

z is atomic Number

For highest Energy:

n_1=1

n_2=∞

\frac{1}{1.01317*10^{-8}}=1.097*10^{7}*z^2*(\frac{1}{1^2}-\frac{1}{\inf})\\z^2=8.99\\z=2.99

z≅3

Atomic number is 3, So ion is Lithium ion (Li^+)

3 0
3 years ago
What is a hot spot? Must be in your own words ( please hurry)
kenny6666 [7]

Answer:

It depends. what hot spot are you looking for?

7 0
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