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svetlana [45]
3 years ago
12

Worth *20 points* Helpppp

Chemistry
1 answer:
Lera25 [3.4K]3 years ago
5 0
Yes. a linear graph does. Pass the vertical line test

Each value in the domain X,results in a unique range ,y, value
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What law is known as the law of action-reaction
Marianna [84]

Answer:

It would Newton's third law.

Explanation:

4 0
3 years ago
Identify the reactants in the following equation.
Ratling [72]

Answer:

Li + Cl₂

Explanation:

left side of the arrow are reactants and right side of the arrow are products.

3 0
3 years ago
An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of
Eva8 [605]
The atomic number is 6, you can also find out by the amount of electrons because, electrons and protons have the same charge.
5 0
3 years ago
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For the reaction: 4PH3(g) → P4(g) + 6H2(g) about 0.065 mol/s of PH3 is consumed in a 5.0 L flask. What are the rates of producti
hoa [83]

Answer: The rates of production of P_4 is 3.25\times 10^{-3} mol/Ls and H_2 is 0.0195 mol/Ls.

Explanation:

4PH_3(g)\rightarrow P_4(g)+6H_2(g)

Rate with respect to reactants is shown by negative sign as the reactants are decreasing with time and Rate with respect to products is shown by positive sign as the products are increasing with time.

Rate of the reaction=-\frac{1}{4}\frac{[d[PH_3]}{dt}=\frac{[d[P_4]}{dt}=\frac{1}{6}\frac{[d[H_2]}{dt}

Rate of decomposition of PH_3=\frac{0.065 mol/s}{5.0L}=0.013mol/Ls

Rate of production of P_4=\frac{1}{4}\times {\text{rate of decomposition of}} PH_3=\frac{1}{4}\times 0.013=3.25\times 10^{-3}mol/Ls

Rate of production of  H_2=\frac{6}{4}\times {\text {rate of decomposition of}} PH_3=\frac{6}{4}\times 0.013=0.0195mol/Ls



7 0
4 years ago
Read 2 more answers
A solution is composed of 1.90 mol cyclohexane (P°=97.6 torr) and 2.60 mol acetone (P°=229.5 torr). What is the mole fraction of
bekas [8.4K]

Answer:

0.2990

Explanation:

All liquids intend to vaporize independent of the temperature if the pressure is higher enough. This pressure is called the vapor pressure. When it occurs, the liquid and the vapor phases will be in equilibrium, and so the fractions of the components of the liquids and the vapor can be calculated.

The molar fraction of the liquid (x) can be calculated by the composition, so, calling xc for cyclohexane, and ca for acetone:

xc = 1.90/(1.90 + 2.60) = 0.4222

xa = 1 - 0.4222 = 0.5778

The total pressure of the system (P) can be calculated by Dalton's Law:

P = Pc + Pa

Where Pc and Pa are the partial pressures of the components. The partial pressures can be calculated by the Raoult's Law:

Pc = xc*P°c

Pa = xa*P°a

Where P° is the vapor pressure, so:

P = xc*P°c + xa*P°a

P = 0.4222*97.6 + 0.5778*229.5

P = 137.8 torr

The molar fraction at the vapor phase (y) is the partial pressure divided by the total pressure:

yc = Pc/P

yc = (xc*P°c)/P

yc = (0.4222*97.6)/137.8

yc = 0.2990

4 0
4 years ago
Read 2 more answers
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