2 years ago

A vector is an arrow that shows both ___ and direction Of an object in motion

Chemistry

2 answers:

Viefleur [7K]2 years ago

5 0

Answer:

speed

Explanation:

the vector is an arrow that shows both speed and direction of an object

goldenfox [79]2 years ago

5 0

Answer:

a vector is an arrow that shows both SPEED and direction of an ovject in mtion

Explanation:

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To conclude through reasoning from something known or assumed is to ___.

sp2606 [1]

Is it to hypothesize?

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3 years ago

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After an hour in the cooler the sodas get colder and the ice gets warmer. Which of the following explains these changes correctl

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3 years ago

The solubility of nitrogen gas at 25 ◦C and 1 atm is 6.8×10−4 mol/L. If the partial pressure of nitrogen gas in air is 0.76 atm,

iris [78.8K]

Answer:

Concentration of dissolved nitrogen = 5.2 × 10⁻⁴ mol/L

Explanation:

More the pressure of the gas, more will be its solubility.

So, for two different pressure, the relation between them is shown below as:-

$\frac {P_1}{C_1}=\frac {P_2}{C_2}$

Given ,

P₁ = 1 atm

P₂ = 0.76 atm

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C₂ = ?

Using above equation as:

$\frac{1\ atm}{6.8\times 10^{-4}\ mol/L}=\frac{0.76\ atm}{C_2}$

$C_2=\frac{0.76\times 6.8\times 10^{-4}}{1}\ mol/L$

Concentration of dissolved nitrogen = 5.2 × 10⁻⁴ mol/L

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2 years ago

Which reaction should be used to convert propene into an alkyl halide?

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The number of molecules in 7g nitrogen

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Answer:

the number of molecules in 7g nitrogen

Ans) 7 gram of Nitrogen contains 1.5×10^23 molecules =1.5e+23

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