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2 years ago

NaOH+H3PO4=Na3PO4+H20

Chemistry

1 answer:

statuscvo [17]2 years ago

4 0

Wait is that suppose to be a question??!!

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How many moles are in 1.20 x 10^21 atoms of Phosphorus?

Ludmilka [50]

Answer:

You would get 19.969 moles

Explanation:

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2 years ago

Which statements accurately describe binary star systems? Check all that apply. have more than two stars have stars that are alw

Westkost [7]

Answer:

have stars that might appear to wobble

often have one star that is brighter than the other

Explanation:

A binary star system is a star system made up of mostly two stars that moves round their common fixed center.

The two orbiting stars are gravitationally bonded to one another and they move round each other.

Most binary stars might appear wobble. One of the stars often appears brighter than the other.

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2 years ago

Read 2 more answers

An ideal gas in a cylindrical container of radius r and height h is kept at constant pressure p. The bottom of the container is

Juli2301 [7.4K]

Answer:

$m =\frac{p*(pi)*r^{2}*h*mw}{R*\frac{T_{1} + T_{O}}{2}}$

Explanation:

The gas ideal law is

PV= nRT (equation 1)

Where:

P = pressure

R = gas constant

T = temperature

n= moles of substance

V = volume

Working with equation 1 we can get

$n =\frac{PV}{RT}$

The number of moles is mass (m) / molecular weight (mw). Replacing this value in the equation we get.

$\frac{m}{mw} =\frac{PV}{RT}$ or

$m =\frac{P*V*mw}{R*T}$ (equation 2)

The cylindrical container has a constant pressure p

The volume is the volume of a cylinder this is

$V =(pi)*r^{2}*h$

Where:

r = radius

h = height

(pi) = number pi (3.1415)

This cylinder has a radius, r and height, h so the volume is $V =(pi)*r^{2}*h$

Since the temperatures has linear distribution, we can say that the temperature in the cylinder is the average between the temperature in the top and in the bottom of the cylinder. This is:

$T =\frac{T_{1} + T_{O}}{2}$

Replacing these values in the equation 2 we get:

$m =\frac{P*V*mw}{R*T}$ (equation 2)

$m =\frac{p*(pi)*r^{2}*h*mw}{R*\frac{T_{1} + T_{O}}{2}}$

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3 years ago

What is a cell? ‍♀️

Alexandra [31]

Answer:

Cell is defined as the smallest unit or basic unit of life.

3 0

2 years ago

Read 2 more answers

How do the equilibrium concentrations of the reactants compare to the equilibrium concentrations of the product?

Scorpion4ik [409]

Answer: It depends equilibrium constant K

Explanation: You need to to have reaction formula.

If K >> 1 then concentrations of products are much bigger than

concentrations of reactants. If K < < 1, concentration of products is small.

6 0

2 years ago