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
Setler [38]
3 years ago
9

PLEASE HELP!!!!!!!! I WILL GIVE U 99 POINTS IF IT'S CORRECT!!

Chemistry
2 answers:
MrRissso [65]3 years ago
5 0

Yes because a chemical reaction will change the weight and mass of an object but all the molecules did not dissapear. they were just formed into a different substance, wether that being a solid, liquid, or gas.

AlladinOne [14]3 years ago
5 0

Answer:

Yes because a chemical reaction will change the weight and mass of an object but all the molecules did not dissapear. they were just formed into a different substance, wether that being a solid, liquid, or gas.

Explanation:

You might be interested in
g What is the relationship between the moles of the limiting reagent and the change in temperature (i.e. directly proportional o
ivann1987 [24]

Answer:

number of moles is inversely proportional to the Temperature

Explanation:

As we know

PV = nRT

where P is the pressure

V is the volume

n is the number of moles

R is the gas constant

and T is the temperature

If we see the equation, we can find that n is inversely proportional to the Temperature

5 0
3 years ago
What is the mass number of a atom that has 4 protons 4electrons 5neutrons
user100 [1]

Answer:

<h3><em>Please make sure to re-write this on your own so your teacher doesn't think that your cheating!</em></h3>

Explanation:

A neutral atom will have the same number of electrons does protons. Since it has 4 protons, it must have an atomic number of 4. (That will make it beryllium.) Since it has 4 protons and 5 neutrons, it has a mass number of 9.

So the answer is 9

4 0
3 years ago
Which is not a characteristic of a plant’s vascular tissue?
iogann1982 [59]

Answer:

It does not combine egg and sperm cells in plant.

4 0
3 years ago
Plz help, science open answer
aleksandrvk [35]
Scientists are cool
7 0
3 years ago
How does matter affect mass?
romanna [79]

Answer:

c

Explanation:

the correct answer is (The more matter an object contains the more mass it may have.)

6 0
3 years ago
Other questions:
  • 150.0 mL of 2.00 M Pb(NO3)2 solution is mixed with 300.0 mL of 2.00 M NaI solution in a coffee cup calorimeter of negligible hea
    12·1 answer
  • Which of the following BEST predicts whether water is an ionic compound or a covalent compound?
    10·2 answers
  • What chemical change occurred in the following reaction? Mg2+(aq)+2OH−(aq)⟶ Mg(OH)2(s)
    12·2 answers
  • What is the product of the second alpha decay in this series
    15·1 answer
  • The physical properties of 10 gram of iron are the same as what property of 20 gram of iron
    10·1 answer
  • An object accelerates 16.3 m/s2 when a force of 4.6 Newton’s is applied to it. What is the mass of the object?
    8·1 answer
  • Sulfur reacts with oxygen and creates two compounds. Compound A contains 1.34 g of sulfur for every 0.86 g of oxygen. Compound B
    14·1 answer
  • Proteins are important architectural and catalytic components within the cell, helping to determine its chemistry, its shape, an
    14·1 answer
  • Which of the following are pure elements
    11·1 answer
  • What happens during nuclear reaction that does not happen during a chemical reaction?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!