2 years ago

Help pls :) I am stuck on this chemistry question about percentage yields!

Chemistry

1 answer:

Charra [1.4K]2 years ago

4 0

You just switch them around

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Đốt cháy hết 9g kim loại magie Mg trong không khí tích tụ được 15g hợp chất magie oxit MgO. Biết rằng magie cháy là xảy ra phản

vfiekz [6]

Answer:

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Explanation:

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2 years ago

Find the mass of one atom of uranium-235. Recall that the mass in atomic mass units is equal to the mass in grams of one mole of

stiv31 [10]

Answer:

$3.90*10^{-25}kg/atom$

Explanation:

The molar mass of uranium-235 is 235 g/mol. So one mole of uranium-235 has a mass of 235 g. Put differently 6.022×10^23 atoms of uranium-235 have a mass of 235 g. Knowing that, how can we use that to find the mass of one atom?

mass of one atom = $\frac{235 g}{1mol} *\frac{1 mol}{6.022*10^{23}atoms } *\frac{1kg}{1000g}= 3.90*10^{-25}kg/atom$

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2 years ago

84 pt =_____ qt<br><br>5.0 gal =_____ L

omeli [17]

Answer:

84 pt =__50.4399___ qt

5.0 gal =___18.9271__ L

Explanation:

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2 years ago

Read 2 more answers

Which of the following chemical reactions will produce a precipitate? *

Zolol [24]

Answer:

Explanation:

8 0

2 years ago

Is lithium a metal metalloid or non metal

KiRa [710]

Answer:

Metal

Explanation:

Lithium (Li), chemical element of Group 1 (Ia) in the periodic table, the alkali metal group, lightest of the solid elements. The metal itself—which is soft, white, and lustrous—and several of its alloys and compounds are produced on an industrial scale.

Atomic number: 3

Atomic weight: 6.941

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3 years ago