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3 years ago

9

What is the meaning of weight?

2 answers:

zmey [24]3 years ago

8 0

<span>1. (It depends on th example)a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing."he was at least 175 pounds in weight"<span>synonyms:<span>heaviness, mass, load, burden, pressure, force; <span>More</span></span></span><span />2.a heavy object, especially one being lifted or carried.<span /><span /></span>verb<span>1.hold (something) down by placing a heavy object on top of it."a mug half filled with coffee weighted down a stack of papers"2.attach importance or value to."speaking, reading, and writing should be weighted equally in the assessment"</span>

Lostsunrise [7]3 years ago

4 0

Weight is properly defined as how much gravity acts upon an object.
I hope this helps!

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Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas: PCl3(g)+Cl2(g)⇌PCl5(g). A 7.5-L gas vess

Tpy6a [65]

Answer:

The equilibrium constant in terms of concentration that is, $K_c=3.6243\times 10^{3}$ .

Explanation:

$PCl_3(g)+Cl_2(g)\rightleftharpoons PCl_5(g)$

The relation of $K_c\& K_p$ is given by:

$K_p=K_c(RT)^{\Delta n_g}$

$K_p$ = Equilibrium constant in terms of partial pressure.=98.1

$K_c$ = Equilibrium constant in terms of concentration =?

T = temperature at which the equilibrium reaction is taking place.

R = universal gas constant

$\Delta n_g$ = Difference between gaseous moles on product side and reactant side= $n_{g,p}-n_{g.r}=1-2=-1$

$98.1=K_c(RT)^{-1}$

$98.1 =\frac{K_c}{RT}$

$K_c=98.1\times 0.0821 L atm/mol K\times 450 K=3,624.30=3.6243\times 10^{3}$

The equilibrium constant in terms of concentration that is, $K_c=3.6243\times 10^{3}$ .

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3 years ago

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How do you get from mass to moles in this problem?

Zinaida [17]

Answer:

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3 years ago

An object has a density of 10.00 g/mL. If the object has a volume of<br> 25.00 ml, what is the mass?

SVEN [57.7K]

Answer:

The answer is

<h2>250 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume of object = 25 mL

Density = 10 g/mL

The mass of the object is

mass = 25 × 10

We have the final answer as

<h3>250 g</h3>

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