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Marysya12 [62]
3 years ago
12

(BRAINLIEST QUEATION)

Chemistry
2 answers:
natta225 [31]3 years ago
5 0

Answer:

methyl orange

Explanation:

hope it helps

ryzh [129]3 years ago
4 0

Answer:

litmus paper

Explanation:

have a great day ahead

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Mayonnaise is made up of eggs, oil, and vinegar. Under which category it should be classified?
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3 years ago
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Can one mole of peas fit inside your house? List the materials and steps of an experiment that answers the
svlad2 [7]

Answer:

No.

Explanation:

No, one mole of peas do not fit inside a house because one mole is equals to 6.022 × 10²³ units which is a very large value. mole only use for atoms, ions and molecules etc due to very small size but mole is not used for big sized materials such as peas and other vegetables etc. So that's why we can conclude that one mole of peas did not fit inside a house.

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When does a endothermic reaction occur
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when the temperature of an isolated system decreases while the surroundings of a non-isolated system gains heat.

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2 years ago
22 g gaz ocupa la presiunea de 15 atmosfere si temperatura de 0 grade celsius , un volum de 0,7462 litri. Care este gazul : A. C
goblinko [34]

Answer:

CO₂. Option B.

Explanation:

We can use the Ideal Gases Law to solve this question

Formula: P . V  = n. R . T

First of all, we convert the T° from °C to K

T°C + 273 → 0°C + 273 = 273K

Let's replace data: 15 atm . 0.7462 L = n . 0.082 L.atm/mol.K . 273K

15 atm . 0.7462 L / (0.082 L.atm/mol.K . 273K) = n

0.500 mol = n

These moles are the amount for 22 g of gas. Let's determine the molar mass to find out the gas → molar mass =  g/mol

22 g /0.5m = 44g/mol

This molar mass corresponds to CO₂

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