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3 years ago

Better alternatives to nuclear power plants

1 answer:

7 0

It also depends on what we use to make the energy in the power plants. Many use uranium which is non renewable. A better alternative would be wind or solar as it is always around. Hope this helps.

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If 35 ml of 6.0 m h2so4 was spilled, calculate the minimum mass of nahco3 that must be added to the spill to neutralize the acid

belka [17]

The balanced equation between the $H_2SO_4$ and $NaHCO_3$ is:

$H_2SO_4+2NaHCO_3\rightarrow Na_2SO_4+2CO_2+2H_2O$

Formula of molarity is:

$Molarity = \frac{Moles of solute}{Volume of solution in Liters}$

$Molarity = 6.0 M, Volume = 35 mL = 0.035 L$

Substituting the values,

$6 = \frac{Moles of solute}{0.035}$

$Moles of solute = 0.035 L\times 6 mol/L = 0.21 mole$

So, number of moles of $H_2SO_4$ is $0.21 mole$ .

From the balanced equation it is clear that for 1 mole of $H_2SO_4$ , 2 moles of $NaHCO_3$ are required.

Hence, 0.21 mole of $H_2SO_4$ = $2\times 0.21 mole = 0.42 mole of NaHCO_3$

Molar mass of $NaHCO_3$ = $84.007 g/mol$

So, the mass of $NaHCO_3$ = $84.007 g/mol \times 0.42 mol = 35.283 g$

6 0

3 years ago

The number 875000 written in scientific notation would be

babymother [125]

Answer:

8.75 x 10^5

Explanation:

hope this helps

6 0

3 years ago

Which statements accuratetly decribes trends found in the periodic table check all that apply

Maslowich

Peridodic table is rlly confusing

4 0

3 years ago

Please help due tomorrow

pashok25 [27]

The role of a decomposer is to decompose or break down dead matter in the environment. Plants make their own food by the process of photosynthesis and also produce (hence the name) food for other consumers. Without producers an ecosystem could not sustain itself.

6 0

3 years ago

Tell me the name please

natima [27]

Answer:

molecules

Explanation:

they are molecule

5 0

3 years ago