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gizmo_the_mogwai [7]
4 years ago
8

What causes the bubbles in vinegar and baking soda?

Chemistry
2 answers:
Goshia [24]4 years ago
8 0
A chemical reaction is going to be your answer 
iVinArrow [24]4 years ago
3 0
 Baking soda<span> and </span>vinegar<span> react with each other because of an acid-base reaction. </span>Baking soda<span> is a </span>bicarbonate<span> (NaHCO</span>3<span>) and </span>vinegar<span> is an acetic acid (HCH</span>3<span>COO). One of the products this reaction creates is carbon dioxide. :)

</span>
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It's a 4 cylinder car
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Given the mass of the reactants add up to 49 grams, what is the total mass of the products
valina [46]

If the total mass of the reactants is 49g then the mass of the products also equals 49g.

It is due to the law of conservation of mass.

Mass can neither be created nor be destroyed.

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What is a anemometer
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Answer: it measures temperature

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Soloha48 [4]
Base your answers to the following questions on the graph below, which shows the effect that average yearly precipitation and temperature have on the type of weathering that will occur in a particular region.

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4 0
3 years ago
a compound contains 69.94 percent iron and 30.06 percent oxygen. what is its molecular formula if the molar mass of the compound
anyanavicka [17]
The percentages are given in weight. You need to transform them into moles.

Take a basis of 100 grams of compound. Then there are 69.94 grams of iron and 30.06 grams of oxygen.

Use the atomic masses of iron and oxygen to obtain each number of moles.

Molar mass of iron: 55.85 g/mol
# moles of iron = 69.94 g / 55.85 g/mol = 1.252

Molar mass of oxygen: 16 g/mol
# moles of oxygen = 30.06 g / 16 g/mol =1.87875

Proportions

1.87875  moles of Oxigen/ 1.252moles of iron = 1.50 /1

3moles of Oxygen: 1 mol of Iron

Empirical formula: FeO3

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Molar mass of the compound / molar mass of the empirical formula = 199.55 g/mol / 103.85 g/mol = 1.92

Round to 2.

Then the molecular formula is the empirical formula times 2.

Fe2O6
6 0
3 years ago
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