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
Nutka1998 [239]
3 years ago
11

PLEASE HELP ASAP

Chemistry
2 answers:
kirill115 [55]3 years ago
6 0

Answer:  Hydrogen reacts with oxygen to form water

Explanation:   Chemical changes are those which changes the identity of the chemical nature of any substance.

Thus out of the given options , the correct one is the formation of the water molecule when hydrogen reacts with oxygen as it is changing the identity of hydrogen and oxygen atoms to form a molecule of water.

The rest of the three options belongs to the category of the physical changes in which the chemical nature of any substance has not been changed but only the properties which an be easily observed can be changed.

Likurg_2 [28]3 years ago
4 0

Answer:

i think it's hydrogen reacts to oxygen

You might be interested in
4. What happens to the bond angle when you add or remove an electron domain?
Vaselesa [24]

Answer:

Bond angle is affected by the presence or addition of lone pair of electrons at the central atom. Due to this, the bonds are displaced slightly inside resulting in a decrease of bond angle, and when you remove an electron domain the bond angle increases.

Explanation:

4 0
3 years ago
How to find formula for ionic compounds.
Umnica [9.8K]

Answer:

I am using an example for this in this table it works for any other compound as well.

5 0
3 years ago
____KClO3 ---&gt; ____KCl+ _____O2<br><br> 2, 2, 3<br> 1, 3, 2<br> 2, 3, 3<br> 3, 2, 2
AVprozaik [17]

Answer:

2KClO3--------->2KCl + 3O2

3 0
3 years ago
Why is potassium iodine electronically neutral
AfilCa [17]
They would be neutral if their electonegativity difference was 0
8 0
3 years ago
Read 2 more answers
Which of the following is a neutralization reaction?A. Na2O(s) + H2O(a) rightarrow 2NaOH(s).B. 4Na(s) + O2(g) rightqrrow 2Na2O(s
Alisiya [41]

Answer:

C. NaOH(s) + HCl(aaq) rightarrow NaCl(s) + H2O(aq)

Explanation:

A neutralization reaction may be defined as the reaction where an acid when it reacts with some base, the products formed are a salt and water.

Simply, we can write,

acid + base --->  salt + water

Here in option (C),

NaOH is sodium hydroxide is an base

HCl is hydrochloric acid

NaCl is sodium chloride and is the common salt

H20 is water

So, option C).  NaOH(s) + HCl(aaq) -----> NaCl(s) + H2O(aq)   is a neutralization reaction.

7 0
4 years ago
Other questions:
  • Fill in the blanks.
    12·1 answer
  • Q10.An aqueous solution contains 5.00x10-2 mol/L of Ca2+ and 7.00x10-3 mol/L of SO4
    8·1 answer
  • If he(g) has an average kinetic energy of 8750 j/mol under certain conditions, what is the root mean square speed of cl2(g) mole
    15·2 answers
  • How do animal participate in the carbon and oxygen cycle?
    11·1 answer
  • Water molecules stick together by a force called?
    10·2 answers
  • What location of an atom are protons,neutrons, and electrons found
    6·2 answers
  • What is T2, if T1= 500 k, v1=10L, V2=8L,P1=600 torr,P2=200 torr?
    10·1 answer
  • 4 × 10-5 cm in scientific notation
    15·1 answer
  • The following are reactants in the chemical reaction shown below.
    5·1 answer
  • Help on this question please
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!