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
allochka39001 [22]
3 years ago
9

Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas

are formed when 48.7 grams of sodium are added to water?
Chemistry
1 answer:
zysi [14]3 years ago
5 0
Convert the 48.7 grams into moles and then use the balanced equation to convert to moles of hydrogen gas. Then divide by avogadro's number<span />
You might be interested in
A sample of gas has a pressure of 600 volume of 2.5 L, and a temperature of 22°C . If the pressure is changed to 760 mmHg and th
Mazyrski [523]

it is A it got to be A)-4k

Explanation:

3 0
3 years ago
A gas occupies 100 liters at 30 degrees C under a pressure of 1.28 atm. Approximately what volume would the gas occupy at STP (2
8090 [49]

Answer: 115 Liters

Explanation: I took the test on TFL, this is the right answer.

8 0
4 years ago
What type of chemical reaction is this one?<br> C2H2 + O2 --&gt; CO2 + H2O
Arisa [49]

Answer:

unbalanced

Explanation:

as the atoms on the one side do not equal to the atoms on the other sides

5 0
3 years ago
Match the following items with their definitions. 1 . homogeneous a substance maintaining a uniform appearance throughout 2 . mi
Nezavi [6.7K]

Answer:

The answer to your question is:

Explanation:

1 . homogeneous a substance maintaining a uniform appearance throughout 2 . miscible  the ability of liquids to be mixed together

3 . immiscible two liquids that will not mix with one another

4 . heterogeneous  a mixture consisting of visibly different substances or phases

4 0
3 years ago
What information do fossils provide about plants and animals
8_murik_8 [283]

It provides a history on how plants and animals have changed over time

4 0
3 years ago
Other questions:
  • I NEED ANSWER ASAP What are some examples of an unbalanced force?
    13·1 answer
  • The major warm ocean currents tend to move
    6·2 answers
  • What does the number above the symbol represent?
    9·2 answers
  • a liquid that boils at a low temperature and evaporates rapidly at room temperature is describe as being
    7·1 answer
  • How much energy is needed to vaporize 75.0 g of diethyl ether (c4h10o) at its boiling point (34.6°c), given that δhvap of diethy
    11·1 answer
  • Similarities and differences between the male and female reproductive systems
    14·2 answers
  • How are algae and polyps related?
    12·2 answers
  • What type of EM wave is used by a Volcano ?
    5·1 answer
  • The chemical equation, Cr + Fe(NO3)2 → Fe + Cr(NO3)3, is an example of which type of reaction?
    13·1 answer
  • 13. List the following ions in order of increasing radius: Li+, Mg2+, Br"
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!