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denis23 [38]
2 years ago
9

How would the group best find out whether their study is worth more time and resources

Chemistry
1 answer:
Hoochie [10]2 years ago
8 0

Answer:

By presenting the results in a poster session.

Explanation:

Several scientists from different countries are asked to examine the results of an experiment before a journal will print it.

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Please Help Me!!!
sergejj [24]

Answer:

The products are carbon dioxide and water

Explanation:

Step 1: Data given

Combustion = a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat. Combustion reactions must involve  O2  as one reactant.

Step 2: The complete combustion of C3H7OH:

For the combustion of 1-propanol, we need O2.

The products of this combustion are CO2 and H2O.

C3H7OH + O2→ CO2 + H2O

On the left side we have 3x C (in c3H7OH), on the right side we have 1x C (in CO2). To balance the amount of C, we have to multiply CO2 on the right side by 3

C3H7OH + O2→ 3CO2 + H2O

On the left side we have 8x H (in C3H7OH) and 2x on the right side (in H2O). To balance the amount of H, we have to multiply H2O, on the right side by 4.

C3H7OH + O2→ 3CO2 + 4H2O

On the left side we have 3x O (1x in C3H7OH and 2x in O2), on the right side we have 10x O (6x in CO2 and 4x in H2O).

To balance the amount of O on both sides, we have to multiply C3H7OH by 2, multiply O2 by 9. Then we have to multiply 3CO2 by 2 and 4H2O by 2. Now the equation is balanced.

2C3H7OH + 9O2→ 6CO2 + 8H2O

For 2 moles propanol, we need 9 moles of O2 to produce 6 moles of CO2 and 8 moles Of H2O

The products are carbon dioxide and water

7 0
3 years ago
Disease causing bacteria need oxygen to survive.<br> true or false
Ghella [55]

Answer:

true

Explanation:

its a guess

6 0
3 years ago
Read 2 more answers
Is the measure of a quantity of energy.<br> Temperature<br> Mole<br> Heat<br> Kinetic motion
Andreas93 [3]

Answer:the answer is moles

Explanation: joules are measurements of energy, and moles Joules

4 0
3 years ago
What are some examples of minerals that occur as elements instead of<br>compounds​
katrin [286]

Answer: Aluminum, Antimony, Arsenic, Bismuth, Carbon, Cadmium, Chromium, Cobalt, etc.

3 0
3 years ago
What is the surface area of the given figure?
eduard

Answer:

the answer will be 2,280 cm>2

3 0
2 years ago
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