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
Marina CMI [18]
3 years ago
15

What is the Big Bang

Chemistry
1 answer:
Mnenie [13.5K]3 years ago
7 0
<span>the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.</span>
You might be interested in
Weather includes such conditions as air pressure, wind, _____, and moisture in the air.
Softa [21]

Answer:

Weather includes such conditions as air pressure, wind, <em><u>temp</u></em><em><u>erature</u></em><em><u> </u></em>, and moisture in the air.

7 0
3 years ago
Determine the % yield when 7.80 grams of benzene (c6h6) burns in oxygen gas to form 3.00 grams of co2 gas and water vapor.
gogolik [260]
Benzene reacts with O₂ to produce CO₂ and H₂O, i.e.

                           C₆H₆  +  7.5 O₂    →    6 CO₂  +  3 H₂O

According to equation,

    78.11 g (1 mole) C₆H₆ reacts to produce  =  264 g (6 moles) of CO₂

Hence,

      7.80 g C₆H₆ when reacted will produce  =  X g of CO₂

Solving for X,
                                X  =  (7.80 g × 264 g) ÷ 78.11 g

                                X  =  26.36 g of CO₂

Theoretical Yield:
                             26.36 g 
of CO₂ produced is theoretical yield which shows 100% reaction between benzene and oxygen.

Actual Yield:
                   According to statement the actual amount of CO₂ produced is 3.0 g of CO₂.

%age Yield:
      
                %age Yield  =  (Actual Yield ÷ Theoretical Yield) × 100

Putting Values,

                %age Yield  =  (3.00 g ÷ 26.36 g) × 100

                %age Yield  =  11.38 %
3 0
4 years ago
Approximately how far will a p-wave travel in 4 minutes?
Drupady [299]

Answer:

2000 (km)

Explanation:

:)

3 0
3 years ago
What was your hypothesis?
Margarita [4]

u can visit the google hell yeah!

3 0
4 years ago
Which of the following is the smallest volume? 2500 ml, 30 cm^-3, 2.0x 10^-1L, 25mL
OLga [1]
The smallest volume is 30 cm^3.
8 0
3 years ago
Read 2 more answers
Other questions:
  • What mass of water is required to react completely with 157.35 g CO2?
    14·2 answers
  • In the reaction AI+3O2-&gt;2AI2O3 what coefficient should be placed in front of the AI to balance the reaction 1,2,3,4
    7·1 answer
  • Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs, write NR after the reaction arr
    14·1 answer
  • WILL GIVE BRANLIEST TO FIRST ANSWER!!! I know the correct answer is either a or d. Can anyone explain which one it is and why? C
    12·1 answer
  • Hydrogen Peroxide, H2O2, in the presence of a catalyst decomposes into water and oxygen gas. How many L of O2 at STP are produce
    8·1 answer
  • State general trend for metal properties as you go left to right across a period
    8·1 answer
  • How many atoms are in a sample of copper with a mass of 18.46 grams?
    7·2 answers
  • Balance the following reactions CuO+S2
    9·1 answer
  • Question is in picture! Due in 30 minutes!
    12·1 answer
  • Explain how natural resources are identified and why natural resources are unevenly distributed.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!