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Whitepunk [10]
3 years ago
9

Which of these types of technologies enables us to use the energy from the sun?

Chemistry
1 answer:
tiny-mole [99]3 years ago
3 0
They're the photocells I guess
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How many moles are in 12 gr of magnesium?
myrzilka [38]

Answer: 0.5 mole Mg

Explanation: solution:

12 g Mg x 1 mole Mg / 24 g Mg

= 0.5 mole Mg

5 0
3 years ago
What is the name of the group 8 elements and what makes them special?
Illusion [34]
Iron, Ruthenium, Osmium, and Hassium.

They're transition metals
8 0
3 years ago
Calculate the speed of a marble that rolls 9 cm in 4 seconds
cupoosta [38]

Answer:

2.25

Explanation:

9/4

6 0
3 years ago
Pyruvate is the end product of glycolysis. Its further metabolism depends on the organism and on the presence or absence of oxyg
murzikaleks [220]

The given question is incomplete. The image present in the question for Reaction A is attached below along with the answer.

Explanation:

Pyruvate molecule reacts with Coenzyme A in the presence of oxygen and it results in the formation of acetyl Coenzyme A and carbon dioxide.

The enzyme pyruvae dehydrogenase helps in catalyzing this reaction. As in this biochemical reaction NAD^{+} gets converted into NADH.

This reaction is shown in the image attached below.  

5 0
3 years ago
Mass = 35g Volume = 7cm³ What is the Density?​
gizmo_the_mogwai [7]

Answer:

The answer is

<h2>5.0 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass = 35 g

volume = 7 cm³

The density is

density =  \frac{35}{7}  \\

We have the final answer as

<h3>5.0 g/cm³</h3>

Hope this helps you

7 0
3 years ago
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