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
andriy [413]
4 years ago
15

What step usually comes last when solving numeric problems

Chemistry
1 answer:
Lilit [14]4 years ago
6 0
No mathematics the most common way of solving an equation will be PEMDAS so the answer for your question will most likely be subtraction.
You might be interested in
A sample in the lab is found to contain 0.450 g magnesium and 2.95 g bromine. what is the empirical formula of the sample?
Rasek [7]
We need to find the number of moles that each of the given substances. The molar mass of magnesium is 24.3 g/mol and Bromine has a molar mass of 79.90 g/mol. From the given mass of each species, the moles of Mg and Br are 0.018 and 0.369 respectively. There are 2 Br in one Mg. The sample is MgBr2. 
3 0
4 years ago
Read 2 more answers
What is the product of this chemical reaction?<br>"Copper(II) Sulfate reacts with Potassium Iodide"​
Mashcka [7]

Answer:copper iodide and potassium sulfate

Explanation:

5 0
4 years ago
I dont get dependent and independent variables if someone can explain it and give an example that wpould be great!​
Musya8 [376]
An independent variable is the variable that is changed or controlled in a experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured. so like is math. the input variable is the independent variable. the output is the dependent variable because it depends on the input variables.
5 0
3 years ago
In your own words, describe two patterns on the periodic table.
Kitty [74]

Answer:

periods and groups

Explanation:

periods are the columns on the periodic table

groups are the rows on the periodic table

i guess so

5 0
4 years ago
Heterogeneous, homogenous, compound, and element. HELP DEFINE I WILL GIVE BRAINLIEST
RideAnS [48]

Answer:

heterogeneous : A mixture that consists of visibly different substances or phases.

homogeneous : A mixture that has the same uniform appearance and composition throughout its mass.

compound: A pure chemical substance consisting of two or more different chemical elements.

element: A substance consisting one type of atom.

4 0
3 years ago
Other questions:
  • Between magnesium and calcium, which has the highest ionization energy, and why?
    13·1 answer
  • ANALYZE A ball of clay is manipulated into different shapes in each of the images
    9·1 answer
  • A sample of gas with a mass of 21.3 g is confined to a vessel of volume 7.73 L at 0.880 atm and 30.00C.
    10·2 answers
  • Is there only one atom in an element
    9·2 answers
  • What does quantum mechanics deal with?
    13·1 answer
  • If you put 8 protons and 8 neutrons, which element did you make?
    8·1 answer
  • If a sample contains 21.2 g N, how many moles of N does it contain?
    6·2 answers
  • What is the measure of the indicated angle? 37∘ 53∘ 180∘ 127∘
    9·1 answer
  • 1000 silver atom weight 1.79×10^-19 g. calculate atomic mass of silver​
    10·2 answers
  • How many molecules are in 4.56 grams of CaCl₂?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!