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
AlexFokin [52]
3 years ago
15

the mass of a 125 cm3 piece of material is 82.75 g. determine the density of this material . please explain

Chemistry
1 answer:
andre [41]3 years ago
6 0
You would do 82.75 divided by 125 cm3 and get 0.6620 g/cm3 because to find density you mist divide mass and volume and grams is always mass and cm3 or mL is always volume. hope i helped!
You might be interested in
The hypothetical elements shown here (figures a–d) do not include hydrogen or helium. Which element would you expect to bond cov
Marizza181 [45]
The answer is "Figure a" i did it on plato lol
4 0
3 years ago
How might you tell if a food contains an acid as one of its ingredients?
vladimir2022 [97]
We can collect a sample of that food and add a drop of blue litmus solution. If the color of the litmus solution changes to red, it contains an acid as one of its ingredients.
7 0
3 years ago
Read 2 more answers
An instrument that is used to measure air pressure is a ?
Zolol [24]
A barometer measures atmospheric pressure.
8 0
3 years ago
The principal ingredient of glass is ______________________.
Lilit [14]
The principal ingredient of glass is quartz sand (SiO₂).
4 0
3 years ago
How many moles of Cu do you need to react with 12 moles of O2?<br> 2Cu(s) + O2(g) 2CuO(s)
zzz [600]

Answer:

24 mol Cu

General Formulas and Concepts:

<u>Chemistry</u>

  • Stoichiometry

Explanation:

<u>Step 1: Define</u>

RxN: 2Cu (s) + O₂ (g) → 2CuO (s)

Given: 12 moles O₂

<u>Step 2: Stoichiometry</u>

<u />12 \ mol \ O_2(\frac{2 \ mol \ Cu}{1 \ mol \ O_2} ) = 24 mol Cu

<u>Step 3: Check</u>

<em>We are given 2 sig figs.</em>

Our final answer is in 2 sig figs, so no need to round.

3 0
3 years ago
Other questions:
  • Hydrochloric is added to a beaker containing a piece of zinc. As a result, zinc chloride is formed and hydrogen gas is released.
    5·1 answer
  • The following is the chemical formula for Acetic Acid. Which answer lists the correct amount of atoms for each Element? A. 2 Car
    14·1 answer
  • power plants can be powered by fossil fuels, such as coal or natural gas, or nuclear power to produce steam to turn turbines to
    13·1 answer
  • Isobutylene is a hydrocarbon used in the manufacture of synthetic rubber. when 0.847 g of isobutylene was subjected to combustio
    8·1 answer
  • Why is the enthalpy of formation of oxygen zero?
    7·1 answer
  • A compound contains 16.7 g of iridium and 10.3 g of selenium, what is its empirical formula?
    11·1 answer
  • Dominick and eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They can
    8·1 answer
  • [CM.01] Which states of matter appear only in the hydrosphere?
    15·2 answers
  • Why is it important to know the major muscle groups in your body? Be specific and detailed as possible with your answer. ​
    5·2 answers
  • I
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!