2 years ago

PLS HELP THIS IS TIMED

Chemistry

2 answers:

olga_2 [115]2 years ago

7 0

Answer:

The plant population has decreased. This culd reduce the other organisms as they may rely on the plants

Explanation:

hammer [34]2 years ago

4 0

Answer:

the plant population over time has decreased. this could make all other organisms above the plant population numbers decrease as well.

Explanation:

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Ann [662]

The answer is c because ice is cold

4 0

3 years ago

Find the mass of each of these substances? 2.40 mol NaOH

damaskus [11]

Na = 23 x 2.40 = 55.2
O = 16 x 2.40 = 38.4
H = 1 x 2.40 = 2.40

55.2 + 38.4 + 2.4 = 96

2.40 mol of NaOH = 96 amu

4 0

3 years ago

Which of the following lists the correct symbol for the ion that tin forms when it loses 2 electrons, the correct classification

ser-zykov [4K]

Answer:

$\huge\boxed{\sf Option \ A}$

Explanation:

The symbol for TIN is Sn.

When Sn loses 2 electrons, it gets a double positive charge ( +2 ) and becomes $\sf Sn ^{+2}$ .

It becomes a cation.

The name of Ion is Tin ( II ) Ion.

$\rule[225]{225}{2}$

Hope this helped!

6 0

3 years ago

Read 2 more answers

What is the gcf of 16 and 72? <br> a. 2 <br> b. 4 <br> c. 16 <br> d. 8

nadya68 [22]

Your answer is D. 8

16 = 2^4
72 = 2^3*3^2

So you'll choose 2^3 = 8

7 0

3 years ago

Read 2 more answers

Could someone please tell show me steps to solve this, I am so confused.

jonny [76]

And this is y I should of paid attention in that one science class in middle school that taught this...

(￣▽￣;)

6 0

3 years ago