AndrewCJewell6922 AndrewCJewell6922
  • 13-12-2022
  • Chemistry
contestada

a liquid of unknown composition is heated. the liquid evaporates, and a white powder is left behind. was the unknown substance a pure substance or a mixture?

Respuesta :

Otras preguntas

[20 POINTS] HELP ME ASAP! I think the answer is C. and I'm not sure with the other one , I just want to make sure what's the real answer! What were "TWO" ways
Evaluate the given algebraic expression for x = 7 and y = 3. 2(x + y)2 A.)20 B.)42 C.)200 D.)400
Help! I have no idea what I have to do.
What majority of Congress does it take to amend the Constitution? a.1/3 b.2/4 c.3/5 d.2/3
use the distributive property to simplify the expression 8(5 plus w)
Given that a lever has a mechanical advantage of 6.0 and is 100% efficient, if the resistance is to be lifted 2.0 inches, then how far must the effort move? De
is x^3 *x^3 *x^3 equivalent to x^3*3*3 why or why not
Which possessive pronoun best completes the following sentence? Peter and Paulette raked the leaves in _____ front yard. his them her their
What is the best approximation of the solution to the system to the nearest integer values?
The outer surface of a nerve is a surrounding layer of fibrous connective tissue called the ___________.