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Anna35 [415]
3 years ago
6

Check all the answers that apply. Energy is the ability to

Chemistry
2 answers:
JulijaS [17]3 years ago
5 0
All of the above, is true (all of the above), pls give brainliest!
Juliette [100K]3 years ago
4 0
Answer:

All the above.

Explanation:

Energy is defined as the ability to do work. And changes in every occur in all changes of matter. Energy is neither created nor destroyed in these changes, but simply changes from on form to another.
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1. Convert 76.19g of Rb3Rn to moles<br> a. 0.16 moles<br> b. 6.28 moles<br> c. 36,450.06 moles
BartSMP [9]

Answer: C, 36,450.06 moles

Explanation:

Molar mass=478.41

17.19gx478.41moles=36,450.06

3 0
3 years ago
3. Describe how the water at the equator would be different from the<br> water at the poles.
Dmitry_Shevchenko [17]

Answer:

there is a distinct decrease of salinity near the equator and at both poles, although for different reasons. Near the equator, the tropics receive the most rain on a consistent basis. As a result, the fresh water falling into the ocean helps decrease the salinity of the surface water in that region.

7 0
3 years ago
sebanyak 36 gram glukosa (C6H12O6,M=180 g/mol) dilarutkan dalam 250 gram air.jika diketahui Kb air= 0,52° kg/mol.tentukan titik
likoan [24]
Gr terlarut = 36 gr 
<span>Mr terlarut = 180 </span>
<span>gr pelarut = 250 gr </span>
<span>Kb air = 0,52 °C kg/mol </span>

<span>Tb larutan = ........? </span>
<span>--------------------------------------... </span>
<span>ΔTb = Kb.m.i </span>
<span>ΔTb = Kb. (gr t / Mr t) . (1000/ gr p) .i </span>
<span>ΔTb = 0,52 x (36/180) x (1000/250) x 1 </span>
<span>ΔTb = 0,416 °C </span>

<span>Tb = 100 + ΔTb </span>
<span>Tb = 100 + 0,416 </span>
<span>Tb = 100,416 °C</span>
4 0
3 years ago
Two cities were both 100 miles away from the center of an earthquake, but the vibrations reached one city before they reached th
Eva8 [605]

Answer:

d

Explanation:

only logical answer

hope that helps and have a great day

if it helps think about giving a good rating and branniest answer

6 0
3 years ago
Read 2 more answers
Predict the products of each reaction, and whether the solution at equilibrium will be acidic, basic, or neutral.1. P4O10 + 6H2O
77julia77 [94]

<u>Answer:</u>

<u>For 1:</u> The product is phosphoric acid and the solution is acidic in nature.

<u>For 2:</u> The product is sodium hydroxide and the solution is basic in nature.

<u>For 3:</u> The product is nitric acid and the solution is acidic in nature.

<u>Explanation:</u>

For the given options:

(1): When diphosphorus pentoxide reacts with water, it leads to the formation of phosphoric acid, which makes the solution acidic in nature.

The chemical equation for the reaction follows:

P_4O_{10}+6H_2O(l)\rightarrow 4H_3PO_4(aq)

(2): When disodium oxide reacts with water, it leads to the formation of sodium hydroxide, which makes the solution basic in nature.

The chemical equation for the reaction follows:

Na_2O+H_2O(l)\rightarrow 2NaOH(aq)

(3): When dinitrogen pentoxide reacts with water, it leads to the formation of nitric acid, which makes the solution acidic in nature.

The chemical equation for the reaction follows:

3N_2O_5+3H_2O(l)\rightarrow 6HNO_3(aq)

8 0
3 years ago
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