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
erastovalidia [21]
3 years ago
9

A cube measures 3cm on each side and has a mass of 25grams. What is its density?

Chemistry
1 answer:
statuscvo [17]3 years ago
6 0
Density = mass/volume= 25 g/27 cm³ ≈ 0.93 cm³
V=(3 cm)³=27 cm³
You might be interested in
How does one recognize a redox reaction?
nika2105 [10]

Answer:

A.

Explanation:

A redox reaction is a reaction when oxidation states (or numbers) change during reaction.

3 0
3 years ago
How many atoms are present in 7.50 mol of chlorine atoms? _
vodomira [7]

Answer:

4.52 x 10²⁴ atoms Cl

Explanation:

A mole is a name that means a certain number like a dozen means 12. 1 mole of chlorine atoms is 6.022 x 10²³ chlorine atoms. The unit conversion is 6.022 x 10²³/mol.

7.50molCl*\frac{6.022 x 10^{23} atomsCl}{1molCl} = 4.5165*10^{24} atomsCl

Round to 4.52 x 10²⁴ atoms Cl for the correct number significant figures.

6 0
3 years ago
What is the auf bau principle?
jolli1 [7]
The rule that says electrons are added to the lowest energy level first.
3 0
3 years ago
What is happening to the temperature of the substance BEFORE AND AFTER the phase changes?
Neporo4naja [7]
First off, you must realize that the phase changes are marked by the points B and D on the graph. They are level because all of the energy (or heat) being added is being consumed by the physical process. So The temperature is increasing before the phase change, and after the phase change. The moments before and after are represented by points A, C, and E.
5 0
3 years ago
HELP FAST!! 20 POINTS!! Any one of these please!!!
Ann [662]
Not sure about the first two but I think number three is B. sorry if I'm wrong
6 0
3 years ago
Other questions:
  • If you combine neon argon and helium what would happen
    15·1 answer
  • _____ is required to start a chemical reaction.
    7·1 answer
  • How many pounds of iron will it take to construct the bridge over the hoover dam
    12·1 answer
  • A 3.96x10^-24 M solution of compound A exhibited an absorbance of 0.624 at 238 nm in a 1.000-cm cuvet; a blank solution containi
    15·1 answer
  • Give the number of atoms of each type of sodium carbonate
    7·1 answer
  • A student collects 350 mL of a vapor at a temperature of 67°C. The atmospheric pressure at the time of collection is 0.900 atm.
    8·1 answer
  • 12. Chubchub runs a 440m lap in 1.2 minutes. How many laps will Chubchub
    13·1 answer
  • ?
    14·1 answer
  • Some people have one sickle cell gene and one normal gene. They have few defctive cells and no symptoms because the sickle cell
    7·1 answer
  • Determine the limiting reactant and calculate the number of grams of sulfur dioxide, so2, that can be formed when 27.3 g of meth
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!