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
zloy xaker [14]
3 years ago
15

How many grams of sodium are needed to produce 12.5 g of sodium oxide

Chemistry
1 answer:
lutik1710 [3]3 years ago
7 0
1. (b) I hope this helps!

You might be interested in
During an experiment, Jasmine observes light being produced from mixing 2 substances in a beaker. What does this evidence sugges
Lubov Fominskaja [6]

Answer: C. A Chemical Change

Explanation:

A chemical change is one that occurs when new substances are produced preceding a chemical reaction ( the  mixing  or combination of one substance  with another).

From the experiment by Jasmine, since light was produced from the mixture,  energy is being released which is due to a  chemical change.

4 0
3 years ago
An electron has _____.
irina [24]

Answer:

An electron has more mass than a proton or a neutron.

Explanation:

Mass of electron - 9.109 e-31 kg

hope it helps!!

7 0
3 years ago
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine the percent composition
liubo4ka [24]

Answer:

0.8749 grams of hydrogen gas was formed from the reaction.

Explanation:

P = Pressure of hydrogen gad= 744 Torr = 0.98 atm

(1 atm = 760 Torr)

V = Volume of hydrogen gas= 11 L

n = number of moles of hydrogen gas= ?

R = Gas constant = 0.0821 L.atm/mol.K

T = Temperature of vapor = 27.0 °C = 300.15 K

Putting values in above equation, we get:

Using an ideal gas equation:

PV=nRT

n=\frac{PV}{RT}=\frac{0.98 atm\times 11 L}{0.0821 L atm/mol K\times 300.15 K}

n = 0.4374 moles

Mass of 0.4374 moles of hydrogen gas:

0.4374 mol × 2 g/mol = 0.8749 g

0.8749 grams of hydrogen gas was formed from the reaction.

7 0
3 years ago
8. Carbohydrates on cell membranes help cells
Natalka [10]

Answer:

A

Explanation:

5 0
3 years ago
Which is not true of binary compounds?
Thepotemich [5.8K]
The name of the positively charged nonmetal ion is changed to end in –ide, is not true of binary compounds.

Hope this help!
4 0
3 years ago
Read 2 more answers
Other questions:
  • Mercury has a specific gravity of 13.6. how many milliliters of mercury have a mass of 0.35 kg
    8·1 answer
  • Which of the following substances are largely ionic?
    8·1 answer
  • For which gases does the ratio of PV to RT equal a constant?
    12·1 answer
  • You are on an alien planet where the names for substances and the units of measures are very unfamiliar.
    12·1 answer
  • Will give brainliest if you show work and have the right answer :)
    7·2 answers
  • Which of the following is TRUE? a) A neutral solution contains [H2O] = [H3O⁺] b) A neutral solution does not contain any H3O+ or
    13·1 answer
  • Solid Mg(OH)2 is mixed with water and the following reversible reaction occurs:________.
    9·1 answer
  • Why is a control group important in an experiment?
    6·1 answer
  • The strongest bases have pH values close to
    5·1 answer
  • How many atoms are in TWO water (H20) molecules?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!