Chemistry College

plz need help right away !

Answers

Answer 1

Explanation:

1 mole = 6.02 x 10^23 atoms (Avogadro’s number)

Step 1) Determine how many grams of a substance are in the problem

Step 2) Find the amount of grams in 1 mole of the substance

3) Multiply step one by step two

Related Questions

When drawing a Bohr model for Sulfur, how many energy levels will you
draw?
5
4
3
2.

Answers

Answer:

Explanation:

2,8,6

Both magnetic fields and electric fields can exert a force true or false?

Answers

Answer:

false

Explanation:

An electric field may do work on a charged particle, while a magnetic field does no work.

5. Why is picric acid and tannic acid used in the treatment of burns?

Answers

Picric acid has antiseptic and astringent properties. For medical use it is incorporated in a surface anesthetic ointment or solution and in burn ointments. Picric acid is a much stronger acid than phenol; it decomposes carbonates and may be titrated with bases.

Question 2 2 points)
Which of the atoms shown has an atomic number of 42
1
2
4
7

Answers

Answer:

4 is the answer

Explanation:

i am not sure for this question

Rocks are classified on the basis of

Answers

Answer:

Rocks are classified according to characteristics such as mineral and chemical composition, permeability, texture of the constituent particles, and particle size. This transformation produces three general classes of rock: igneous, sedimentary and metamorphic. Those three classes are subdivided into many groups.

Explanation:

Which food dyes in the diagram on the right only contain one colour?
( Science, Chromatography )

Answers

Colored dyes are really bad for you but I drink them anyways

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