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3 years ago

Convert 302 K into C

Chemistry

1 answer:

uranmaximum [27]3 years ago

7 0

Answer:

302°K = 28.85°C

Explanation:

Formula: °K - 273.15 = °C

0°C is equal to roughly 273°K

Simply plug it into the formula to find your temperature:

302°K - 273.15 = °C

°C = 28.85

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How many nitrogen atoms are present in calcium nitrate, Ca(NO3)2?

bulgar [2K]

There are two atoms of N.

5 0

4 years ago

A chemist must dilute 97.1 ml of aqueous magnesium fluoride solution until the concentration falls to 389 microMolarity . He'll

mojhsa [17]

Answer:

0.302L

Explanation:

<em>...97.1mL of 1.21m M aqueous magnesium fluoride solution</em>

<em />

In this problem the chemist is disolving a solution from 1.21mM = 1.21x10⁻³M, to 389μM = 389x10⁻⁶M. That means the solution must be diluted:

1.21x10⁻³M / 389x10⁻⁶M = 3.11 times

As the initial volume of the original concentration is 97.1mL, the final volume must be:

97.1mL * 3.11 = 302.0mL =

0.302L

6 0

3 years ago

Which equation is balanced?

Simora [160]

the 1st one is balanced, the 2nd isn't (the number of Mg differs from left 1 to right 2).

The third is also not balanced, 2 F left,2*3=6 on the right

3 0

3 years ago

For this heterogeneous system 2 A ( aq ) + 3 B ( g ) + C ( l ) − ⇀ ↽ − 2 D ( s ) + 3 E ( g ) the concentrations and pressures at

maw [93]

Answer:

$2.55*10^{11$

Explanation:

Equation for the heterogeneous system is given as:

$2A_{(aq)} + 3 B_{(g)} + C_{(l)}$ ⇄ $2D_{(s)}$ $+$ $3E_{(g)}$

The concentrations and pressures at equilibrium are:

$[A] = 9.68*10^{-2}M$

$P_B = 9.54*10^3Pa$

$[C]=14.64M$

$[D]=10.11M$

$P_E=9.56*10^4torr$

If we convert both pressure into bar; we have:

$P_B = 9.54*10^3Pa$

$P_B = (9.54*10^3)*\frac{1}{10^5} bar$

$P_B=9.54*10^{-2}bar$

$P_E=9.56*10^4torr$

1 torr = 0.001333 bar

$9.54*10^4 *0.001333 = 127.5 bar$

$K=\frac{[P_E]^3}{[A]^2[P_B]^3}$

$K=\frac{(127.5)^3}{(9.68*10^{-2})^2(9.54*10^{-2})^3}$

$K=2.55*10^{11$

3 0

3 years ago

Y’all boi needs help g

hram777 [196]

Answer:

c and d, are you supposed to check 3? or only 2?

6 0

3 years ago