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
Anna35 [415]
3 years ago
8

PLEASE ANSWER ALL

Chemistry
1 answer:
olchik [2.2K]3 years ago
7 0

1.) K, N, and O

2.) Fe and O are unbalanced

3.) a

4.) Its already balanced

5.) I belive it is 2Cr+Cl2 -> CrCl3

You might be interested in
What is the name of MnO? Explain how you determined the bond type and the steps you used to determine the naming convention for
xeze [42]

Answer:

Magnesiumoxide

Explanation:

I don't know

5 0
3 years ago
Compare the energy requirements of a 50 year old woman and 50 year old man.​
finlep [7]

Explanation:

For both men and women, the basics of a balanced diet are the same. Men have higher caloric requirements than women since they have a bigger body (both in height and weight) and more muscular mass.

So, Men needs more energy.

50 year old woman require less energy than 50 year old man.​

3 0
3 years ago
Air pressure is caused by: gas particles striking the walls of a container or an object. b. gas particles are taking a test gas
Gnesinka [82]

Answer:

D

Explanation:

7 0
3 years ago
Calculate the volume in (L) of 1.13x10^5 grams of liquid sodium which has a density of 0.929g/cm3
Yuki888 [10]

The volume of the liquid sodium is 121.64 L

<h3>What is density? </h3>

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

With the above formula, we can obtain the volume of the liquid. Details below

<h3>How to determine the volume of the sodium liquid</h3>
  • Mass of liquid = 1.13×10⁵ g
  • Density of liquid = 0.929 g/cm³
  • Volume of liquid =?

Density = mass / volume

Thus,

Volume = mass / density

Volume of liquid = 1.13×10⁵ / 0.929

Volume of liquid = 121636.17 cm³

Divide by 1000 to express in liter

Volume of liquid = 121636.17 / 1000

Volume of liquid = 121.64 L

Learn more about density:

brainly.com/question/952755

#SPJ1

8 0
1 year ago
What is the percent by mass of oxygen in carbon dioxide (CO2)? Use mc008-1. Jpg. 27. 29% 57. 12% 72. 71% 79. 99%.
castortr0y [4]

The percent by mass of oxygen in carbon dioxide (CO_2) is 72.71%.

<u>Scientific data:</u>

  • Molar mass of oxygen gas = 32 g/mol.
  • Molar mass of carbon = 12 g/mol.

To calculate the percent by mass of oxygen in carbon dioxide (CO_2):

First of all, we would calculate the molar mass of carbon dioxide (CO_2);

CO_2 = 12 +(16\times 2)\\\\CO_2 = 12 +32\\\\CO_2 = 44\;g/mol

For the percent by mass of oxygen:

O_2 = \frac{Mass\; of \;O_2}{Mass\; of \;CO_2} \times 100

Substituting the parameters into the formula, we have;

O_2 = \frac{32}{44} \times 100\\\\O_2 = 0.7271 \times 100

Percent mass of oxygen = 72.71%

Read more on percent mass here: brainly.com/question/15182450

5 0
3 years ago
Other questions:
  • What percentage of all winter weather related injuries are from freezing precipitation?
    8·1 answer
  • What is the concentration in molarity of a solution that has 54.21g of calcium hydroxide dissolved in 560mL of water?
    12·1 answer
  • a triangular prism with bases that are right angles measuring 5 inch by 12 inch by 13 in the height of the prism is 2 in what is
    13·1 answer
  • When 2.50grams of nacl is dissolved in 2liters of water what is the concentration of the solutuon​
    13·1 answer
  • State which of the following set of quantum number would be possible and which would be permissible for an electron in an atom.
    13·1 answer
  • What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 23 ∘C , V1= 1.69×103 L ) to a v
    11·1 answer
  • Which statement best describes chemical properties of matter?
    5·2 answers
  • You can still go to work, although you should not work with food or in food preparation areas, if you have which of the followin
    12·1 answer
  • H3P polar or non polar
    11·1 answer
  • How did President Wilson anger civil rights advocates?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!