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2 years ago

8

What do you use to mesure wind

1 answer:

mezya [45]2 years ago

7 0

Answer:

Either a windmill or an anemometer

Explanation:

A windmill is usually used as a harvester for wind energy. Anemometers measure wind speed and determine wind direction. Using these sets of data, meteorologists can calculate wind pressure.

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how do you know the state of a compound when writing out the equation. WILL MARK BRAINLIEST PLEASE HELP!!

tester [92]

Answer:

The state of matter of each compound or molecule is indicated in subscript next to the compound by an abbreviation in parentheses. For example, a compound in the gas state would be indicated by (g), solid (s), liquid (l), and aqueous (aq).

Explanation:

3 0

3 years ago

To a 25.00 mL volumetric flask, a lab technician adds a 0.150 g sample of a weak monoprotic acid, HA , and dilutes to the mark w

Elis [28]

<u>Answer:</u> The number of moles of weak acid is $4.24\times 10^{-3}$ moles.

<u>Explanation:</u>

To calculate the moles of KOH, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Moles of solute}}\text{Volume of solution (in L)}}$

We are given:

Volume of solution = 43.81 mL = 0.04381 L (Conversion factor: 1L = 1000 mL)

Molarity of the solution = 0.0969 moles/ L

Putting values in above equation, we get:

$0.0969mol/L=\frac{\text{Moles of KOH}}{0.04381}\\\\\text{Moles of KOH}=4.24\times 10^{-3}mol$

The chemical reaction of weak monoprotic acid and KOH follows the equation:

$HA+KOH\rightarrow KA+H_2O$

By Stoichiometry of the reaction:

1 mole of KOH reacts with 1 mole of weak monoprotic acid.

So, $4.24\times 10^{-3}mol$ of KOH will react with = $\frac{1}{1}\times 4.24\times 10^{-3}=4.24\times 10^{-3}mol$ of weak monoprotic acid.

Hence, the number of moles of weak acid is $4.24\times 10^{-3}$ moles.

6 0

3 years ago

Harry Hess resurrected Wegener’s continental drift hypothesis and also the mantle convection idea of Holmes.

stepan [7]

Answer:

true

Explanation:

7 0

2 years ago

Read 2 more answers

Maria just got her driver's license and is driving to school for the first time. Which of the following would demonstrate that e

musickatia [10]

I think it is c bc that the only one I see right

5 0

2 years ago

Which of the following is not a phase change?

sweet [91]

C. Diffusion is not a phase change.

6 0

2 years ago