2 years ago

How long are tortillas good for after expiration date?.

1 answer:

8 0

Answer:

Tortillas generally last for a week after their "best by" date on the counter and about a month if placed in the fridge. But it sometimes depends on how they are stored

Explanation:

Hope this helped

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What is the independent variable of the sentence "if diet affects weight, then people who eat less will lose weight."?

Citrus2011 [14]

The quantity or amount of food that people consume would be categorized as the independent variable.

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3 years ago

List at least two chemical reactions that resulted in a white precipitate. For these reactions list the possible chemical name o

Alina [70]

Barium chloride + sodium sulphate --> barium sulphate + sodium chloride
BaCl2 + Na2SO4 ---> BaSO4 + 2 NaCl
The barium sulphate appears as a white precipitate

Silver nitrate + Sodium chloride ---> Silver Chloride + sodium nitrate
AgNO3 + NaCl ----> AgCl + NaNO3
The silver chloride appears as a white precipitate.

These are sometimes called double decomposition reactions.

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3 years ago

an atom contains 32 protons and has a mass number of approximately 72 amu what is the chemical symbol for the atom

olga nikolaevna [1]

I belive it would be Hf (hafanium).

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3 years ago

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MakcuM [25]

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3 years ago

12 g of powdered magnesium oxide reacts with nitric acid to

galben [10]

Answer:

80.8 g

Explanation:

First, let's write a balanced equation of this reaction

MgO + 2HNO₃ → Mg(NO₃)₂ + H₂O

Now let's convert grams to moles

We gotta find the weight of MgO

24 + 16 = 40 g/mol

12/40 = 0.3 moles of MgO

We can use this to find out how much Magnesium Nitrate will be formed

0.3 x 1 MgO / 1 Mg(NO₃)₂ = 0.3 moles of Magnesium Nitrate formed

Convert moles to grams

Find the weight of Mg(NO₃)₂ but don't forget that 2 subscript acts as a multiplier of whatever is inside that parenthesis.

24 + 14 x 2 + 16 x 3 x 2 = 148 g/mol

148 x 0.3 = 80.8 g

4 0

3 years ago