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
Inga [223]
2 years ago
15

WILL GIVE BRANLIEST!! EASY BUT I WAS TO LAZY TO LEARN!! WILL FOREVER BE GREATFUL!!! WILL GIVE BRANLIEST!! EASY BUT I WAS TO LAZY

TO LEARN!! WILL FOREVER BE GREATFUL!!!
WILL GIVE BRANLIEST!! EASY BUT I WAS TO LAZY TO LEARN!! WILL FOREVER BE GREATFUL!!!

5. What type of reaction would the heat calculation in previous question be classified as?

A) Natural

B) Chemical

C) Endothermic

D) Exothermic

7. What causes the volume to change in gases? (Choose all that apply)

A) Density

B) Temperature

C) Shape of container

D) Pressure
Chemistry
1 answer:
notsponge [240]2 years ago
7 0

Answer:

for the first one we need the previous question to be able to answer it. for the second one density and temperature

Explanation:

You might be interested in
Pcl3+H2O=H3PO3+Hcl=?​
beks73 [17]

Answer:

PCl3 + 3H2O → HPO(OH)2 + 3HCl. Phosphorus(III) chloride react with water to produce phosphorous acid and hydrogen chloride.

Explanation:

7 0
2 years ago
Read 2 more answers
Write the formula for the conjugate base for the following acids. <br>Thank you ​
Llana [10]

Answer:

See the answer and explanation below , please.

Explanation:

A conjugate base is defined as that formed after an acid donates its proton.

For each article, a continuation of the conjugate bases (highlighted in bold), for dissociation in water:

a) HF + H20 --> F- + H30+      

b) H20+ H20 --> OH-  + H30+

C)H2PO3-  + H20--> HPO3 2-   + H30+

d) HSO4- + H20 -->  SO4 2- + H30+

E) HCL02 + H20 --> CLO02 -   + H30+

7 0
3 years ago
Read 2 more answers
Please help me to answer this question.<br>i have to submit tomorrow.​
ratelena [41]

Answer:

The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

4 0
3 years ago
Is milk a solution, colloid, suspension, or a compound?
allsm [11]
Milk is a colloid system
3 0
2 years ago
Where are people mostly exposed to chemicals?
Vlad [161]

Answer:

people are mostly exposed to chemicals through their nose, mouth, eyes, and ears

Explanation:

they are the easiest way for anything, bad or good, to enter the body because  people touch their face alot.

This might not answer what you were looking for but the other answer covered it pretty well so I thought I'd give you another angle to the question!

Hope this helps!!

4 0
2 years ago
Other questions:
  • Coffee is a solution of organic substances in water
    13·1 answer
  • A student sets up two reactions. reaction 1 uses 0.130 mol/l of reactant, and reaction 2 uses 0.440 mol/l of reactant. how many
    14·2 answers
  • Describe what can happen to the reaction rate of a system that is heated then cooled
    14·1 answer
  • A sample of sugar (C12H22O11) contains 1.505 × 1023 molecules of sugar. How many moles of sugar are present in the sample?
    14·1 answer
  • Calculate the equilibrium number of vacancies per cubic meter for copper at 1000K. The energy for vacancy formation is 0.9eV/ato
    10·1 answer
  • Please help me !! This is worth 10 points !
    10·1 answer
  • What is Cu,As,Ca,Br listed from most metallic to least metallic?
    11·1 answer
  • Burning of wood is physical or chemical change​
    5·1 answer
  • Which of the following is true about cells?
    13·1 answer
  • The element that has a valence configuration of 5s2 is<br> Ba<br> Ca<br> Be<br> Sr<br> Mg
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!