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
Readme [11.4K]
2 years ago
11

Plz help meeeeeeee !!!!!

Chemistry
1 answer:
katovenus [111]2 years ago
6 0

Answer:

Na2S

Explanation:

last answer with Na2S

You might be interested in
Can someone give me a answer on why should renewable resources be used wisely?
irina [24]

We should use renewable resources wisely because <u>if we over use them the resources we already have will decline.</u>

5 0
2 years ago
Read 2 more answers
How do i calculate the mass of CO2 emitted per Kj of heat produced in a combustion reaction?
Alexxandr [17]
 methanol:

1 mole CH3 OH --> produces --> 1 mole CO2 

1 mole CO2 has a molar mass of 44.01 gh/mole
 
your set up is:
(44.01 g CO2) / -726.5kJ = 0.06058g

your answer 0.06058 grams of CO2 produced per kJ released.
6 0
3 years ago
What is the relation between work done height mass and acceleration due to gravity​
Zanzabum

Explanation:

Potential energy is the the relationship between work done height mass and acceleration due to gravity, because of this some objects also experience kinetic energy due to the factors mentioned above

6 0
1 year ago
What is the percent by mass of oxygen in mg(oh)2
kakasveta [241]

54.868% because well la la la (sorry had to be 20 characters)

3 0
3 years ago
Why is elemental zinc considered a pure substance?
Veseljchak [2.6K]

Answer:  C... Because Zinc is made of only one type of atoms.

Explanation: All elements are made of one type of atom. Pure gold is made out of only gold atoms, silver out of only silver atoms, etc.

7 0
2 years ago
Other questions:
  • In the tollowing combustion reaction of acetylene (C2H2), how many lters of CO2 will be produced it 60 liters of 02 is used, giv
    6·1 answer
  • In the Bronsted-Lowry model of acids and bases, a(n) _____ is a hydrogen donor and a(n) _____ is a hydrogen acceptor.
    5·1 answer
  • The half-reactions in a nickel-cadmium (nicad) battery are:
    7·1 answer
  • Please help me answer all of these questions! Will give brainliest answer and a heart (probably 5 stars) please and thank you. h
    13·1 answer
  • What is the first step when factoring the trinomial ax^2+bx+c
    10·1 answer
  • Q1. Why is Cl2 a nonpolar molecule, but HCl is a polar molecule? Explain your reasoning.​
    13·1 answer
  • Calculate the number of Calories present in a chocolate chip cookie that contains 19 g carbohydrate, 1 g protein, and 4 g fat.
    9·1 answer
  • Why do atoms combine in an ionic bond
    9·1 answer
  • Many reactions involve a change in hybridization of one or more atoms in the starting material. In this reaction, determine the
    10·1 answer
  • The measured pOH of a solution is 5.5. What is the hydrogen ion, [H+ ],<br> concentration?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!