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
-Dominant- [34]
3 years ago
10

What is the balanced equation for heptane (C7H16) burning in oxygen to make carbon dioxide and water?

Chemistry
1 answer:
steposvetlana [31]3 years ago
6 0
C7H16 + 11O2 > 7CO2 + 8H2O
You might be interested in
Is water made of plant cells or animal cells<br> •plant<br> •animals<br> •niether
Pepsi [2]

Answer:

i think niether

Explanation:

5 0
2 years ago
How many grams of CuF2 are needed to make a 2.8 M solution
11111nata11111 [884]
Molarity is given as,

                              Molarity  =  Moles / Volume of Solution  ----- (1)

Also, Moles is given as,

                              Moles  =  Mass / M.mass

Substituting value of moles in eq. 1,

                              Molarity  =  Mass / M.mass × Volume

Solving for Mass,

                              Mass  =  Molarity × M.mass × Volume  ---- (2)

Data Given;

                  Molarity  =  2.8 mol.L⁻¹

                  M.mass  =  101.5 g.mol⁻¹

                  Volume  =  1 L (I have assumed it because it is not given)

Putting values in eq. 2,

                              Mass  =  2.8 mol.L⁻¹ × 101.5 g.mol⁻¹ × 1 L

                              Mass  =  284.2 g of CuF₂
5 0
3 years ago
What starting matirials do cells need for cellular respiration
lawyer [7]
Oxygen and glucose and energy. <span />
3 0
3 years ago
I need help with number 8 please help ASAP.
Rzqust [24]

Answer:

33.33% = 33%

Explanation:

MgCO3(s) + 2HCl (aq) --> MgCl2(aq) + H20(l) + CO2(g)

1 mole of MCO3 will produce → 1 mole of CO2

We need to get the number of mole of CO2:

and when we have 0.22 g of CO2, so number of mole = mass / molar mass

Moles = 0.22 g / 44 g/mol = 0.005 mole

Moles of Mg = moles of CO2 = 0.005 mole

Mass of Mg = moles * molar mass

= 0.005 * 84 /mol = 0.42 g

Percent of MgCO3 by mass of Mg = 0.42 g / 1.26 * 100

=33.33 %

8 0
3 years ago
50 POINTS
Trava [24]
My guess is b for the question
3 0
2 years ago
Read 2 more answers
Other questions:
  • Which of the following is a change from a less condensed to a more condensed state of matter?
    13·1 answer
  • Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chloride are needed to have 100.mg of Na present? G
    10·1 answer
  • When an excited electron in an atom moves to the ground state, the electron
    13·2 answers
  • If you had a mixture that was found to contain 1.05g SiO2, 0.69g Cellulose and 1.82g Calcium Carbonate. What percentage calcium
    8·1 answer
  • What is the period of below average temperatures called
    7·1 answer
  • The density of methanol is 0.787 g/ml. What is the mass in grams of 25.0 ml of methanol? Give your answer with the correct unit
    11·1 answer
  • what type of element can turn into both solid and liquid form depending on the temperature of its surroundings ?​
    6·2 answers
  • 1-calculate the mass of 4 moles of Na
    9·1 answer
  • Conduction happens as energy flows from a warmer object to a cooler object. Which of the following is evidence of conduction?
    5·1 answer
  • 1. Draw a wave with a longer wavelength and the same amplitude as the wave shown. Then draw a second wave with a larger amplitud
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!