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Leviafan [203]
2 years ago
12

Which three steps describe how an animal obtains and uses energy for growth?

Chemistry
1 answer:
bija089 [108]2 years ago
3 0
The third one is right
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There are 31.1 grams (g) in 1 troy ounce (ozt). How many ozt of gold are extracted from 1 short ton of average Nevada ore
devlian [24]

This problem is providing us with the mass equivalent to one troy ounce. Thus, the troy ounces of gold in one short ton of average Nevada ore is required and found to be the 0.103 otz according to the following dimensional analysis.

<h3>Dimensional analysis</h3>

In chemistry, a raft of problems do not always provide an equation in order to be solved yet dimensional analysis can be applied, so as to obtain the desired amount in the required units.

Thus, since this problem asks for try ounces in an average Nevada ore,  which has 3.2 grams of gold per short ton of ore, one can solve the following setup in order to obtain the required answer in otz:

\frac{3.2gAu}{1short-ton}*1short-ton*\frac{1otz}{31.1g} \\

Where the short tons are cancelled out as well as the grams, in order to obtain:

0.103 otz

Learn more about dimensional analysis: brainly.com/question/10874167

4 0
2 years ago
Which ion in the ground state has the same electron configuration as an atom of
Sergeu [11.5K]

Answer:

Ca^+2

Explanation:

Hence, the correct option is A.

4 0
2 years ago
​If a bag of peas weighs 454 grams, how many peas would be in the bag?
OverLord2011 [107]

​In a bag of peas that weighs 454 grams, there are between 1261 and 4540 peas.

The average pea weighs between 0.1 and 0.36 grams.

If we take the lower value (0.1 g/pea), the number of peas in 454 g is:

454 g \times \frac{1pea}{0.1 g} = 4540pea

If we take the higher value (0.36 g/pea), the number of peas in 454 g is:

454 g \times \frac{1pea}{0.36 g} \approx  1261pea

​In a bag of peas that weighs 454 grams, there are between 1261 and 4540 peas.

You can learn more about conversion factors here: brainly.com/question/1844638

6 0
3 years ago
What is made when acid reacts with carbonates and metals
klemol [59]
<span>As metal carbonates react with acid, a neutralization reaction happens. Salt, water, and carbon dioxide are produced.</span><span />
7 0
2 years ago
Ionic compounds can conduct electricity when dissolved in water due to the presence of free floating ions.
tankabanditka [31]

Answer:

True

Explanation:

8 0
2 years ago
Read 2 more answers
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