___ measures how acidic or basic a substance is

Answers

Answer 1

Answer: pH is the measure of how acidic or basic a substance is.

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Is glucose an pure substance or mixture?

Answers

a pure substance hope this helped

yes glucose is a pure substance

The pH of a .1 M solution is 11. What is the concentration of H3O ions, in miles per liter

Answers

pH=-log[ H₃O⁺] therefore [H₃O⁺]=10^-pH
[H₃O⁺]=10^-11
[H₃O⁺]=1.0x10^-11

Trisha is learning how to do a first-aid procedure known as CPR. She is practicing using a mannequin, or a model of the top half of the human body.What is one limitation of a CPR mannequin?
A.
It is not possible to press down on the chest of a CPR mannequin.
B.
It is not possible to breathe into the mouth a CPR mannequin.
C.
It is not possible to check for a real pulse on a CPR mannequin.
D.
It is not possible to lay a CPR mannequin on the floor.

Answers

C is the answer 〰️I need more characters Oop

Answer: The answer is C cause a CPR doll can do the rest

Explanation: pls mark as brainliest

The vapor pressure of a liquid is 0.92 atm at 60°C. The normal boiling point of the liquid could be(1) 35°C (3) 55°C(2) 45°C (4) 65°C

Answers

The answer is (4) 65°C. For this question, you need to know that the definition of boiling is when a liquid's vapor pressure equals atmospheric pressure. Normal boiling point just means boiling point at sea level, when atmospheric pressure is 1atm. For this particular liquid, you would need to raise the temperature a little for the vapor pressure to rise to 1atm (because vapor pressure increases with temperature). Therefore your temperature must be higher than 60°C, and the only such choice available to you is (4).

Answer:

4 ¥

TRUST REASON

The answer is 4 because when the vapor pressure is in liquid form, the boiling point would be the hottest point

What is a polar molecule

Answers

Answer:

Here, I hope this helps

Explanation:

Answer:

┃

Explanation:

A polar molecule is a chemical species in which the distribution of electrons between the covalently bonded atoms is not even. Each atom has a certain electro-negativity. When bonded to another atom, the atom with the higher electro-negativity will tend to attract more electrons.

You are given an aqueous solution of NaCl. The simplest method for the separation of NaCl from the solution is (A) evaporation of the solution to dryness
(B) centrifuging the solution
(C) osmosis of the solution
(D) electrolysis of the solution
(E) filtration of the solution

Answers

A: evaporating the solution to dryness

Other Questions

You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12 dollars/hour, and each shift lasts 75 minutes. Your laundry requires 12 quarters/load. How many loads of laundry will each shift pay for if the cost per load rises to 16 quarters?

Which electron dot diagram best represents a compound that contains both ionic and covalent bonds?

Iron(III) oxide + carbon yields carbon monoxide and iron (write the correct formulas and then balance)

A chemist dissolves an unknown solute into 1000 grams of water and then measures the freezing point to be -2.88 C what can be determined from this data and from known constants for water?