CHEMISTRY HIGH SCHOOL

when you check a toaster with a digital or analog video in which one of the following indicates dirty contacts on the thermostat blade

Answers

Answer 1
Answer: i sow it the answer if you serarch it in the box i see it the same question!
Answer 2
Answer:

Answer:

Explanation:current higher

Than the rated current

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How many atoms are there in 1.3 x 10^22 molecules of N(O)2

Answers

1 molecule of NO2 included N atom and 2 oxygen atoms, so a total of 3 atoms per molecule.

1.3 x 10^22 times 3 = 3.9 x 10^22 atoms

Final answer:

The total number of atoms in 1.3 x 10^22 molecules of N(O)2 is 3.9 x 10^22 atoms since each molecule of N(O)2 consists of three atoms.

Explanation:

To answer the question of how many atoms there are in 1.3 x 10^22 molecules of N(O)2, one must be aware of the molecular composition of N(O)2. This molecule contains one nitrogen atom and two oxygen atoms, thus comprising three atoms in total. Consequently, to determine the total number of atoms, multiply the number of molecules by the number of atoms per molecule. Hence, the answer is 1.3 x 10^22 molecules * 3 atoms/molecule = 3.9 x 10^22 atoms.

Learn more about Atoms in a Molecule here:

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What is the chemical formula for mercury(I) nitrate

Answers

Hg(NO3)2
I hope this helps :)

What is the volume of an object whose dimensions are 5.54 cm, 10.6 cm, and 199 cm?

Answers

Volume:

a x b  x c 

Therefore:

5.54 x 10.6 cm x 199 => 11,686.076 cm³

If a saturated solution of potassium chloride is cooled from 80℃ to 50℃,how much precipate is formed

Answers

Roughly 39 grams, give or take 1 gram

A compound is formed when 171.2 g of carbon reacts with 28.8 g of hydrogen. What is the mass percent of hydrogen in the compound

Answers

Following the law of conservation of mass, the mass percent of hydrogen in the resulting compound is 14.4%(wt/wt). This is assuming that all of the carbon reacts with all of the hydrogen. The solution is as follows:

mass % = mass hydrogen*100/total mass = 28.8*100/(28.8+171.2) = 14.4%

Answer:

For Edmentum/Plato users, the correct answer is A. 14.4%

NaOH + HCl → NaCl + H2O. What mass of water forms when 2.75 × 10–4 mol NaOH reacts completely? given the equation, 2.75 × 10–4 mol NaOH = ___ g H2O

Answers

The balanced chemical reaction is written as:

NaOH + HCl → NaCl + H2O

We are given the amount of sodium hydroxide to be used up in the reaction. This will be the starting point for the calculation. 

2.75 x 10^-4 mol NaOH ( 1 mol H2O / 1 mol NaOH ) ( 18.02 g H2O / 1 mol H2O ) = 4.96 x 10^-3 g H2O

Answer:

0.00496

Explanation:

on edg i just did the assignment teehee
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