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padilas [110]
3 years ago
5

PLEASE HELP ILL GIVE BRAINLIEST

Chemistry
2 answers:
olchik [2.2K]3 years ago
8 0
The answer is false
tino4ka555 [31]3 years ago
7 0

Answer:

False

Explanation:

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What happens when carbon dioxide is passed through lime water for a long time? write with equation​
Vlada [557]

Answer:

when CO2 gas is passed through lime water it turns milky due to the formation of calcium carbonate which formula is CaCO3.

Ca(OH)2+ CO2------ CaCO3

when excess of carbon dioxide is passed through calcium carbonate calcium hydrogen carbonate is formed and solution become colourless.

CaCO3+CO2------ Ca(HCO3)

5 0
3 years ago
Chemistry gcse
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Yes, anything with carbonate, hydrogen carbonate (bicarbonate) at the end is a carbonate.

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The correct name for hno2 is ________. nitrous acid hyponitrous acid nitric acid pernitric acid hydrogen nitrate
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Hyponitrous acid: H2N2O2

Nitric acid: HNO3

Pernitric acid: HNO


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2 years ago
Generators make electricity by _________________ magnets.
scoundrel [369]
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5 0
3 years ago
Read 2 more answers
The molar mass of H2O is 18.01 g/mol. The molar mass of O2 is 32.00 g/mol. What mass of H2O, in grams, must react to produce 50.
snow_lady [41]

112.5 g. The production of 50.00 g O2 requires 112.5 g H2O.

a) Write the partially balanced equation for the decomposition of water.

MM = 18.02 32.00

2H2O → O2 + …

Mass/g = 50.00


b) Calculate the <em>moles of O2
</em>

Moles of O2 = 50.00 g O2 × (1 mol O2/16.00 g O2) = 3.1250 mol O2


c) Calculate the <em>moles of water</em>

Moles of H2O = 3.1250 mol O2 × (2 mol H2O/1 mol O2)

= 6.2500 mol H2O


d) Calculate the mass of water

Mass of H2O = 6.2500 mol H2O × (18.02 g H2O/1 mol H2O)

= 112.5 g H2O

5 0
2 years ago
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