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Semenov [28]
2 years ago
12

Oxygen freezes at -219°c and boils at -183°c in which state is oxygen at -200°c​

Chemistry
1 answer:
vova2212 [387]2 years ago
4 0

oxygen is in gaseous state at this temperature

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topjm [15]
0.3824 moles of Zinc
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Công thức của A có dạng Ca(hco3)x có ptk là 162 tìm x
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Hersey chocolate company makes 80 million kisses daily how many chocolate kisses are made per second
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A large weather balloon filled with helium has a volume of 7.00 x 102 L at STP. Which expression should be used to find the mass
balandron [24]

Answer:

mass of Helium = mole of Helium x Molarmass of Helium

Explanation:

Mole of Helium = volume of Helium/ 22.4dm^3/mol

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7 0
3 years ago
The label on a bottle of medicine reads​ "Each 5 mL teaspoonful contains​ glucose, 1.87​ g; levulose, 1.87​ g; and phosphoric​ a
Alexandra [31]

(a) 43.6 mg; (b) 520 mg

(a) <em>Mass of phosphoric acid (PA) in a dose </em>

Mass of PA = 2 tsp × (21.8 mg PA/1 tsp) = 43.6 mg PA

(b) <em>Mass of PA in the bottle </em>

<em>Step 1</em>. Convert <em>ounces to millilitres </em>

Volume = 4 oz × (30 mL/1 oz) = 120 mL

<em>Step 2.</em> Calculate the mass of PA

Mass of PA = 120 mL × (21.8 mg PA/5 mL) ≈ 520 mg PA

4 0
3 years ago
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