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
marysya [2.9K]
3 years ago
11

Warm-Up

Chemistry
2 answers:
Jlenok [28]3 years ago
8 0

Answer:

0.425

Explanation:

Andrej [43]3 years ago
8 0

Answer:

0.452

Explanation:

You might be interested in
How many moles of NO3 are there in 6.2g
weeeeeb [17]
<span>6.2 divided by the mass number of NO3 is 0.1 moles.</span>
4 0
3 years ago
Diana and Kinsey are put in charge of choosing a mascot for their basketball team. There are fifteen players on the team, but Di
castortr0y [4]

Answer: the data are inadequate .

Explanation:

7 0
3 years ago
A girl has a weight of 450 N and her feet have a total area of 300Cm2
snow_tiger [21]

Answer:

15000N/m²

Explanation:

Given parameters:

Force exerted by the girl  = 450N

Area  = 300cm²

Unknown:

Pressure exerted by her feet  =?

Solution:

Pressure is the force per unit area on a body;

    Pressure  = \frac{force }{area}

We need to convert the given area to m²;

        10000cm²   =  1m²

        300cm²  = \frac{300}{10000}   = 0.03m²

Pressure = \frac{450}{0.03}   = 15000N/m²

8 0
3 years ago
Corey's Science Experiment 1. Purpose: To determine the effect that completely burning a log has on the weight of the log and to
Gemiola [76]

Answer: C. He didn't measure the weight of the log before it was burned.

8 0
3 years ago
Read 2 more answers
How many grams are in a sample of 0.55 mol of K?
Katyanochek1 [597]
The equation you use here is
mass =moles x Mr

So:
Moles of K - 0.55mol
Mr of K - 39.1

Mass= 0.55x39.1 =21.505g
4 0
3 years ago
Other questions:
  • Describe one experiment that could be carried out to determine which chemical reaction, decomposition, dimerization, or racemiza
    6·1 answer
  • What does it mean to discuss the concentration of a solution
    5·1 answer
  • Why do we use gold and silver to make jewellery?
    11·1 answer
  • Which of the following is NOT a symbol for an element? H Li Pb HF
    7·2 answers
  • When sodium is excited in a flame, two ultraviolet spectral lines at lambda - 372.1 nm and lambda = 376.4 nm respectively are em
    15·2 answers
  • An organism that makes its own food
    15·1 answer
  • Who would most likely be required to work with sodium hydroxide?
    11·2 answers
  • What was the major shortcoming of Rutherford's research of the atom?
    6·1 answer
  • Mark all of the objects that can be found in our Solar System
    13·1 answer
  • Haley is trying to pull an object upward. The below forces are acting on the object.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!