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
Ludmilka [50]
3 years ago
5

A student was conducting an experiment designed to study the law of conservation of mass. The student measured the mass of all t

he materials involved in the closed system reaction. The mass equaled 562g. What would we expect the mass to be after the reaction had occured?
Chemistry
1 answer:
never [62]3 years ago
6 0
562 grams because mass can not be created or destroyed
You might be interested in
If a person is throwing darts at a target, and shoots three in a row in the same spot on the 20 section outer ring, but none in
Gennadij [26K]
Maybe it is frisbee tag
5 0
3 years ago
How do you know what numbers in a chemical formula are significant
bulgar [2K]

Answer:

All the numbers in a chemical formula are significant, It is because the numbers in a chemical formula denote the number of different atoms present in the particular compound.

For example in H2SO4 there are 2 H 1 S and 4 O. This means 1 H2SO4 has 2 hydrogen 1 sulphur and 4 oxygen.

3 0
3 years ago
How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal? Show all of
love history [14]
Given:
2 Mg + O2 → 2 MgO 
So,
<span>(25.0 g of Mg / 24.3051 g/mole) x (1/2) x (22.4 L/mole) = 11.5 L  of Oxygen will react with 25 grams of magnesium metal.</span>
8 0
3 years ago
Read 2 more answers
according to the balanced chemical equation below,how many grams of h20 are produced if 3.98g of co2 were produced. 2C18H18 + 25
telo118 [61]

Answer:

Primero debes usar los gramos de co2 y luego buscar su peso molecular, luego de eso usar la relación de moles entre CO2 y H2O y por último buscar el pm del H2O pata ver cuantos gramos de produce.

Explanation:

3 0
3 years ago
Yo I need help with 1 and 2
nikitadnepr [17]

Answer:

1-

A) H2O        B) HCO3-

2-

A) NH3         B) SO3-2

Explanation:

8 0
3 years ago
Other questions:
  • If helium effuses through a porous barrier in 1.34 min, how much time (in min) would it take the same amount of ammonia to effus
    6·1 answer
  • The equation 1/2 N2 + 3/2 H2+ NH3 is not appropriately written because
    11·1 answer
  • What are the characteristics of a substance in the gas phase?
    8·1 answer
  • How much of your blood is made of Plasma? A)10% <br> B)25% c)40% d)50%
    14·1 answer
  • A gas has a pressure of 5.7 atm at 100.0°C. What is its pressure at20.0°C (Assume volume is unchanged)
    12·1 answer
  • How are viscosity and flow rate similar
    15·2 answers
  • a diagram of the electromagnetic spectrum is shown. which wavelength is the longest safest wavelengths for humans? Helppp please
    5·1 answer
  • Which of these is NOT a result of human actions?
    8·1 answer
  • ✞What Is an Alloy?⭐⭐​
    15·1 answer
  • 4. Synthesis problems. Propose a synthetic route from the starting material to the product. In your answer, show each individual
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!