1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jeyben [28]
3 years ago
10

Question:

Chemistry
1 answer:
den301095 [7]3 years ago
8 0

Answer: I think it’s 4

Explanation:

You might be interested in
Pls help will give brainlist
jekas [21]

Answer:

D. 5

Explanation:

The coefficient will almost always be the whole number in front of the  variable.

example

5(x)= 7

The coefficient would be 5.

6 0
2 years ago
What is the problem with mental models?
Nataly [62]

Mental models also guide your perception and behavior. They are the thinking tools that you use to understand life, make decisions, and solve problems. Learning a new mental model gives you a new way to see the world—like Richard Feynman learning a new math technique. Mental models are imperfect, but useful.

hope this helped :)

8 0
2 years ago
Anions and cations are
Digiron [165]

Answer:

A cation is a positively charged ion, with fewer electrons than protons, while an anion is negatively charged, with more electrons than protons. Because of their opposite electric charges, cations and anions attract each other and readily form ionic compounds.

Explanation:

its science

5 0
3 years ago
Read 2 more answers
Electrochemistry is defined as a science that deals with the relation of electricity to chemical changes and the interconversion
Tanzania [10]
Placing two metal strips in an electrolyte.
6 0
3 years ago
Read 2 more answers
which would have the longer wavelength, a photon with energy of 4.59 x 10^-19 J or a photon with energy of 3.01 x 10^-19 J
Eduardwww [97]
Compare them accordingly with the formula of E=hc/wavelength
6 0
3 years ago
Other questions:
  • Most scientific questions are based on opinions. hypotheses. observations. experimental dat
    14·1 answer
  • Which of the following is an element water oxygen carbon dioxide ammonia
    11·1 answer
  • Two lab assistants measured a metal rod. One reported the measurement as 250 cm, and the other measured it as 250. cm. These mea
    9·1 answer
  • Which happens when a reversible reaction reaches a state of chemical equilibrium?
    15·1 answer
  • A substance composed of two or more elements in a fixed, definite proportion is
    9·1 answer
  • Which postulate of the kinetic-molecular theory applies to the particles of a liquid?
    12·1 answer
  • Which of the following single replacement reactions will take place?
    8·1 answer
  • A blue whale has a length of 28,578 millimeters. What is the length of a blue whale in kilometers? Show your work below by writi
    8·1 answer
  • A gymnast whose weight is 5 10 N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension i
    13·1 answer
  • Robert Boyle and Robert Hooke worked together and discovered some important physics concepts. Their work lead to the formation o
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!