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rodikova [14]
3 years ago
9

Choose all the right answers.

Chemistry
1 answer:
Novay_Z [31]3 years ago
3 0

Answer:

The answer is Erosion, Weathering,

Explanation:

<u>These all seem to be correct but i know for a fact those two are correct.</u>

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Which is a physical property of milk?
shtirl [24]

Answer:

Milk boils at about 212 F (100 c)

Explanation:

A physical property is a property in which a chemical change is not nessecary to undergo to know about.

Since all the other options require a chemical change to know, they are not physical properties.

The third option is a physical property because it does not require a chemical change to know.

3 0
3 years ago
Which electron has a higher probability of being found at 4 Å of the nucleus, one in a 2s orbital or one in a 2p orbital?
Lena [83]

Answer:

one in a 2s orbital

Explanation:

Because of the peak near the nucleus in the 2s curve there is a higher probability of finding a 2s within 4 Å of the nucleus. In a multi-electron atom an electron in a 2s orbital will have a lower energy than one in a 2p orbital

4 0
3 years ago
Who can help me with this? Asap
aivan3 [116]

Answer:

A. = 143

B. = 8

C. =32

Explanation:

Number of neutron = mass number - atomic number

3 0
3 years ago
___au2s3 ___h2 → ___au ___h2s
liberstina [14]
The best way to balance an equation is to balance one atom at a time.
You start with two Au atoms on the left, so you know the coefficient of Au on the right has to be 2. So at first we get,
Au2S3 + H2 --> 2Au + H2S
Then, notice you have 3 sulfur atoms on the left, so you need three on the right.
Our equation becomes
Au2S3 + H2 --> 2Au + 3H2S
Lastly, we now have six hydrogen atoms on the right, and only two on the left, so we assign a three to the H2 on the left
Au2S3 + 3H2 --> 2Au + 3H2S Is the balanced final equation.

7 0
3 years ago
I dont understand and this question hard well for me
Murrr4er [49]
A
"The heat from the hot chocolate will travel to the spoon"
4 0
3 years ago
Read 2 more answers
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