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3 years ago

What is one benefit associated with nuclear fission

1 answer:

4 0

Nuclear fission share a number of advantages. These include less emission of greenhouse gases, relatively lower operating costs, this process is well understood. Also, since the population is rising, the demand is as well rising and with the aid of this process we can meet that high demand.

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Calculate the molarity of a solution containing 2.66 moles of KOH in 750 mL of solution?

ASHA 777 [7]

Molarity = moles of solute/volume of solution in liters.

There are 2.66 moles of KOH, the solute, and the volume of the solution is 0.750 L.

The molarity of this solution would thus be (2.66 moles KOH)/(0.750 L) = 3.55 M KOH.

6 0

3 years ago

Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation:

Elan Coil [88]

Answer:

Explanation:

3O2 => 2O3

the equation is balancing

6 0

3 years ago

Read 2 more answers

At 20 ?C the vapor pressure of benzene (C6H6)is 75 torr, and that of toluene (C7H8) is 22 torr

tia_tia [17]

Answer:

(a) Benzene = 0.26; toluene = 0.74

(b) Benzene = 0.55

Explanation:

1. Calculate the composition of the solution

For convenience, let’s call benzene Component 1 and toluene Component 2.

According to Raoult’s Law,

$p_{1} = \chi_{1}p_{1}^{\circ}\\p_{2} = \chi_{2}p_{2}^{\circ}$

where

p₁ and p₂ are the vapour pressures of the components above the solution

χ₁ and χ₂ are the mole fractions of the components

p₁° and p₂° are the vapour pressures of the pure components.

Note that

χ₁ + χ₂ = 1

So,

$\begin{array}{rcl}p_{\text{tot}} &=& p_{1} + p_{2}\\p_{\text{tot}} & = & \chi_{1}p_{1}^{\circ} + (1 - \chi_{1})p_{2}^{\circ}\\36 & = & \chi_{1}\times 75 + (1 - \chi_{1}) \times 22 \\36 & = & 75\chi_{1} + 22 -22\chi_{1}\\14 & = & 53\chi_{1}\\\chi_{1} & = & \mathbf{0.26}\\\end{array}$

χ₁ = 0.26 and χ₂ = 0.74

2. Calculate the mole fraction of benzene in the vapour

In the liquid,

p₁ = χ₁p₁° = 0.26 × 75 mm = 20 mm

∴ In the vapour

$\chi_{1} = \dfrac{p_{1}}{p_{\text{tot}} } = \dfrac{\text{20 mm} }{\text{36 mm}} = 0.55$

Note that the vapour composition diagram below has toluene along the horizontal axis. The purple line is the vapour pressure curve for the vapour. Since χ₂ has dropped to 0.45, χ₁ has increased to 0.55.

7 0

3 years ago

GIVING BRAINLY AND 20 POINTS

ipn [44]

Explanation:

frequency= velocity/ wavelength

= 340/1.36

=250

8 0

3 years ago

Enter an equation for the formation of CaCO3(s) from its elements in their standard states. Enter any reference to carbon as C(s

kaheart [24]

Answer:

CaF2 + CO3- ----> CaCO3 + 2 F-

Explanation:

The chemical compounds found on the left side of the date are the reagents and those found on the right are the products, where calcium carbonate appears.

Calcium carbonate is a quaternary salt

6 0

3 years ago