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PSYCHO15rus [73]
3 years ago
11

Carbon dioxide gas and solid magnesium oxide are produced by the decomposition of solid magnesium carbonate. Write a balanced ch

emical equation for this reaction.
Chemistry
1 answer:
Westkost [7]3 years ago
7 0

Athe temperature has a great timer ksnswer:

Explanation:

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Which of the following is the best piece of laboratory glassware for preparing 500.0 mL of an aqueous solution of a solid?
Leni [432]

Answer:

The correct answer is option A.

Explanation:

Volumetric flask  : A glass ware with round lower body with flat bottom and with thin cylindrical neck along with mark which indicates the specific volume filled to that mark.It is used in preparation of standard solution of compound with desired concentration with fixed volume.

Erlenmeyer flask : is a flask with conical shape with flat bottom used in titration  experiments to carry out reaction with fixed volume of solution.

Test tube : Small cylindrical tube with rounded bottom used to observe reaction in between reactant taken in small amount.

Graduated beaker : Laboratory glassware used measure larger volumes of solution or to mix or stir solutions and liquids.

Graduated cylinder : Laboratory thin cylindrical glassware with accurate marking of volume used to measure an accurate volume of solutions or liquids required in an experiment.

<em><u>Volumetric flask</u></em> is the best piece of laboratory glassware for preparing 500.0 mL of an aqueous solution of a solid

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Upon balancing the equation what is the smallest possible integers that goes in front O₂? HBr + O₂ ➞ H₂O + Br₂ *
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Answer:

1

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4 HBr + O2 → 2H 20 + 2Br 2

...............

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2 years ago
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The density of copper is 8.68 g/mL use the density value to determine how many moles are
statuscvo [17]

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17.1 mol

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2 years ago
The only nonmetal in group 1
r-ruslan [8.4K]

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Hydrogen

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Hydrogen is the only non metal in group on of the period table of elements.

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A substance has an atomic number of 80 and a mass number of 178. How many protons does this atom have? How many neutrons does it
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Idk

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