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Taya2010 [7]
3 years ago
7

How can water be used as a renewable energy resource? checkpoint question?

Chemistry
1 answer:
topjm [15]3 years ago
7 0
1) Water current can be used to produce energy.
2) Salt water can we used to produce energy.
etc...
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How many molecules are there in 0.75 mol NH3
vitfil [10]
3 *0.75 = 2.25 mol that’s is ur answer for this question
4 0
3 years ago
What is the importance of sodium chloride ​
malfutka [58]

Answer:

Sodium Chloride is salt

Explanation:

Basically, its used to help absorb and transport nutrients, its also used to help blood pressure along with maintaining the right balance of fluid. These will all be helpful to our bodies and environment.

6 0
3 years ago
Read 2 more answers
Which statement is false? a) When reactants become products, they do so through an intermediate transition state. b) At equilibr
Tom [10]

Answer:

b) At equilibrium, equal amounts of products and reactants are present.

Explanation:

At equilibrium , the ratio of product of concentration of products  and product of concentration of  reactants is constant .

                                             A + B ⇄ C + D

                                 [C] [ D]  / [ A ] [ B ] = Constant

So, the statement ( b )  is false .

All other statements are true .

8 0
3 years ago
A 0.250 g sample of hydrocarbon (containing only carbon and hydrogen) undergoes complete combustion to produce 0.845 g of CO2 an
melomori [17]

Answer:

CH

Explanation:

We have to obtain the mass of carbon and hydrogen in CO2 and H2O respectively.

For carbon in CO2;

0.845 * 12/44 = 0.23 g

For hydrogen in H20;

0.173 * 2/18 = 0.019 g

We convert the masses to moles of carbon and hydrogen

For carbon - 0.23/ 12 = 0.019 moles

For hydrogen - 0.019/1 = 0.019 moles

Dividing by 0.019 moles for carbon and hydrogen we have the emperical formula of the compound as CH

5 0
3 years ago
Balance equations __Mg (s)+ __HCI(aq)—> __MgCI2(aq) + __H2(g)
Alina [70]
The balanced equation is Mg(s) + 2HCI(aq) = H2(g) + MgCI2 (aq)
6 0
4 years ago
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