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3 years ago

8

With a manual transmission, the speed of the vehicle determines

1 answer:

const2013 [10]3 years ago

5 0

Hmm, well depending on your speed depends on what gear you select, and not much else related to manual transmissions specifically (if it wasn't just manuals it could be anything from air resistance to noise in the car).

So I'd assume that:
With a manual transmission, the speed of a vehicle determines which gear you should select.

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Attem A liquid solvent is added to a flask containing an insoluble solid. The total volume of the solid and liquid together is 9

monitta

<u>Answer:</u> The mass of solid is 105.4 g

<u>Explanation:</u>

To calculate the density of a substance, we use the equation"

$\text{Density of a substance}=\frac{\text{Mass of a substance}}{\text{Volume of a substance}}$ .......(1)

<u>For liquid:</u>

Mass of liquid = 26.6 g

Density of liquid = 0.865 g/mL

Putting values in equation 1, we get:

$0.865g/mL=\frac{26.6g}{\text{Volume of liquid}}\\\\\text{Volume of liquid}=\frac{26.6g}{0.865g/mL}=30.8mL$

We are given:

Volume of solid + Volume of liquid = 91.0 mL

Volume of liquid = 30.8 mL

So, volume of solid = 91.0 - 30.8 = 60.2 mL

Now, calculating the mass of solid by using equation 1, we get:

Volume of solid = 60.2 mL

Density of solid = 1.75 g/mL

Putting values in equation 1, we get:

$1.75g/mL=\frac{\text{Mass of solid}}{60.2mL}\\\\\text{Mass of solid}=(1.75g/mL\times 60.2mL)=105.4g$

Hence, the mass of solid is 105.4 grams

7 0

3 years ago

For the simple decomposition reactionAB(g)→ A(g) + B(g)Rate =k[AB]2 and k=0.2 L/mol*s . How long will it takefor [AB] to reach 1

mixer [17]

Answer:

6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.

Explanation:

$Rate = k[AB]^2$

The order of the reaction is 2.

Integrated rate law for second order kinetic is:

$\frac{1}{[A_t]} = \frac{1}{[A]_0}+kt$

Where, $[A_0]$ is the initial concentration = 1.50 mol/L

$[A_t]$ is the final concentration = 1/3 of initial concentration = $\frac{1}{3}\times 1.50\ mol/L$ = 0.5 mol/L

Rate constant, k = 0.2 L/mol*s

Applying in the above equation as:-

$\frac{1}{0.5} = \frac{1}{1.50}+0.2t$

$\frac{1}{1.5}+0.2x=\frac{1}{0.5}$

$t = 6.66\ s$

<u>6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.</u>

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3 years ago

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3 years ago

What is the electron configuration of the element with 27 protons?

adelina 88 [10]

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4 years ago

Read 2 more answers

What is speed ?

Slav-nsk [51]

1. D
2. B (I think)

If you ever talk about speed, you say (per) usually so always look for that in a label.

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3 years ago