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tiny-mole [99]
3 years ago
6

The system responsible for getting oxygen into your blood is known as the __________ .

Chemistry
2 answers:
hodyreva [135]3 years ago
6 0
The answer is C. pulmonary system.
goldfiish [28.3K]3 years ago
6 0
The answer is A.circulatory system.
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What do the elements in each pair have in common? k, kr be, mg ni, tc b, ge al, pb?
tensa zangetsu [6.8K]
The pairs are:
K, Kr - Same period
Be, Mg - Same group
Ni, Tc - Both are transition metals
B, Ge - Both are metaloids
Al, Pb - Both form inert oxides
4 0
3 years ago
SCIENCE QUIZ HELP PLEASE! Btw I accidently clicked gravity. But i don't know if Gravity is the answer..
Oxana [17]

Answer: Gravity

Explanation:  So as the mass of either object increases, the force of gravitational attraction between them also increases.

5 0
3 years ago
If 1 mole of gas occupies 22.4 liters of space, calculate the number of moles that will occupy 11.2 liters of space? Make sure t
Yuliya22 [10]

So, if 1 mole occupies 22.4 L, the imediate conclusion is that a bigger number of moles will occupy more than 22.4 L, and a smaller number of moles will occupy less than 22.4 L. In your case, 3 moles of gas will occupy 3 times more volume than 1 mole of gas

no need to show work i am a teacher at a college


3 0
3 years ago
where are chemicals found at work? answer 1- in every work area answer 2-only in food preperation answer 3-only in carpets or pa
vivado [14]

Answer:

In every work area

6 0
4 years ago
Two reactions and their equilibrium constants are given. A + 2 B − ⇀ ↽ − 2 C K 1 = 2.79 2 C − ⇀ ↽ − D K 2 = 0.186 Calculate the
vfiekz [6]

Answer:

K=1.93

Explanation:

Given reactions are:

A +2B ⇄ 2C  K1=2.79

2C ⇄ D K2=0.186

D⇄ A+ 2B K=?

If we reverse the reaction then the euillibrium constant also become reciprocal of original value:

3rd reaction is a combination of reciprocal of 1st and 2nd reaction

2C⇄A +2B   1/K1;........................1

D ⇄ 2C  1/K2; ..............................2

On adding 1 and 2

D ⇄A +2B    K=\frac{1}{K1} \times\frac{1}{K2};

K=\frac{1}{2.79} \times\frac{1}{0.186};

K=1.93

4 0
4 years ago
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