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Anvisha [2.4K]
3 years ago
8

Economics is about the production of goods and services which requires that allocation of what

Chemistry
1 answer:
yuradex [85]3 years ago
6 0

It requires the allocation of resources.

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How did scientists solve the nitrogen problem?
taurus [48]

Unfortunately, we have not fully solved the 'nitrogen problem'. To do this, we must halve the amount of nitrogen we dump into the environment by mid-century or our ecosystems will face epidemics of toxic tides, lifeless rivers, and dead oceans. And that to do that will require, among other things, almost doubling the efficiency of nitrogen use on the world’s farms.

3 0
3 years ago
What is the mass of 2.90 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?
ivann1987 [24]
40.0 g ( 1 mole ) --------------- 6.02x10²³ molecules
      ? ? --------------------------- 2.90x10²² molecules

mass = 2.90x10²² * 40.0 /  6.02x10²³

mass = 1.16x10²⁴ / 6.02x10²³

mass = 1.9269 g

hope this helps!

3 0
3 years ago
Which one of the following classes of organic compound does not contain the carbonyl (C=O) group?A) aldehydesB) carboxylic acids
vredina [299]

Answer: alcohols

Explanation:

The carbonyl group refers to C=O. It is contained in aldehyde, Ketones, carboxylic acids , esters, amides and acyl chlorides. They are not found in alcohols. The alchols are generally ROH. They do not contain any carbon-oxygen unsaturated bond in their structure hence the answer.

3 0
3 years ago
Consider this reaction:
storchak [24]
I say the Correct answer is
 
B)  There will be a shift toward the products.
8 0
3 years ago
Protons are positively charged and repel other protons. Which other particle is found in the nucleus and separates protons so th
denis23 [38]
Neutrons are the other particles found in the nucleus. Neutrons are neither positively charged nor negatively charged. They are neutral.
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3 years ago
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