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Paraphin [41]
3 years ago
9

As the amount of salt in water increases, the___________ of the water increases.

Chemistry
2 answers:
antiseptic1488 [7]3 years ago
7 0

Answer:

3

Explanation:

because the particles takes place in water molecules

Gnom [1K]3 years ago
5 0

Answer:

3

Explanation:

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Which material is most likely to be a base?
Goshia [24]

Answer:

Cooffee

Explanation:

<em>the answer is coffee because coffee might be bitter</em>

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3 years ago
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Which two structures would provide a postive idenfitacation of a plant cell under a microscope
schepotkina [342]
Chloroplast, its where photosynthesis happens and the cell wall which only plants fungi and bacteria have.
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3 years ago
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PLEASE HELP AND EXPLAIN!Calculate the energy required to heat 187.0 g of ammonia from 36.1 °C to 52.9 °C. Assume the specific he
Alenkinab [10]

Answer:

E=1.48x10^4J

Explanation:

Hello!

In this case, since the energy implied in a heating process is computed by using the following equation:

E=mC(T_f-T_i)

Whereas m is the mass, C the specific heat and T the temperature. In such a way, by plugging in the given mass, specific heat and temperatures, we obtain the following energy:

E=187.0g*4.703\frac{J}{g\°C} (52.9\°C-36.1\°C)\\\\E=1.48x10^4J

Considering that the specific heat can by used by unit of °C or K because their difference is equivalent.

Regards!

3 0
3 years ago
Need Help On This...Thanks
ollegr [7]
13) "..From the ___" My guess would be Sun since it says solar later in the question. Then an example of solar energy would be flashlights, thermostats (etc..)

14) Mechanical 

16) Conductors, (Ex. copper, metal) 

17) Insulators, most non metallic materials (Ex. cloth, or rubber, plastic)

18) Electrocution


6 0
3 years ago
Consider the reaction between iron (III) oxide, Fe2O3 and carbon monoxide, CO.
Lana71 [14]
<span>Fe2O3 + 3CO --> 2Fe + 3CO2
</span><span>
m(Fe2O3)=213 g
m(CO)=140 g
</span>_______________

<span>n(Fe2O3)=?
m(Fe)=?
n(Fe2O3)=?
n(CO)=?
n(CO2)=?
</span>
<span>n(Fe2O3)=m(Fe2O3) / M(Fe2O3)
n(Fe2O3)= 213 g / 159,7 gmol-1 = 1,33 mol
</span>
<span>n(CO)= m(CO) / M(CO) n(CO)= 140 g / 28,01 gmol-1 = 4,99 mol</span>
3 0
3 years ago
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