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
wariber [46]
3 years ago
12

Chemical energy travels from the Sun to Earth and is transformed into light energy by plants.

Chemistry
1 answer:
NISA [10]3 years ago
3 0

Answer:

False

Explanation:

Light energy travels from the Sun to the Earth and is transformed into chemical energy by plants.

You might be interested in
Someone please help fast
Volgvan

Answer:

The last region should be right

Explanation:

3 0
3 years ago
Is the equation for reaction 1 balanced? Explain your reasoning. If the reaction is not balanced, then state how you would balan
sveticcg [70]

Answer:

Reaction is already balanced

Explanation:

The equation in reaction 1 is given as;

CH3COOH + NaHCO3 --> CO2 + H2O +  Na+   +  CH3COO-

The reaction is already balanced. This is because the umber of atoms of elements in the reactant is equal to that of the products

Carbon

Reactant = 2 + 1 = 3

Product = 2 + 2 = 3

Hydrogen

Reactant = 3 + 1 + 1 = 5

Product = 2 + 3 = 5

Oxygen

Reactant = 2 + 3 = 5

Product = 2 +1 + 2 = 5

Sodium

Reactant = 1

Product = 1

3 0
3 years ago
Acid-catalyzed dehydration of secondary and tertiary alcohols proceeds through an E1 mechanism. The first step is the protonatio
Over [174]

Answer:

Most substituted alkene is produced as a major product

Explanation:

  • Dehydration of 3-methyl-2-butanol proceeds through E1 mechanism to form alkenes.
  • Most substituted alkene is produced as major product because of presence of highest number of hyperconjugative hydrogen atoms corresponding to the produced double bond (Saytzeff product).
  • Here, a H-shift also occurs in one of the intermediate step during dehydration to produce more stable tertiary carbocation.
  • Reaction mechanism has been shown below.

4 0
2 years ago
Consider the reaction CaCN2 + 3 H2O → CaCO3 + 2 NH3 . This reaction has a 75.6% yield. How many moles of CaCN2 are needed to obt
kherson [118]

Answer: Thus 0.724 mol of CaCN_2 are needed to obtain 18.6 g of NH_3

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} NH_3=\frac{18.6g}{17g/mol}=1.09moles

CaCN_2+3H_2O\rightarrow CaCO_3+2NH_3

According to stoichiometry :

2 moles of NH_3 are produced by = 1 mole of CaCN_2

Thus 1.09 moles of NH_3 will be produced by =\frac{1}{2}\times 1.09=0.545moles  of CaCN_2

But as yield of reaction is 75.6 %, the amount of CaCN_2 needed is =\frac{0.545}{75.6}\times 100=0.724

Thus 0.724 mol of CaCN_2 are needed to obtain 18.6 g of NH_3

3 0
3 years ago
According to the kinetic theory of motion everything is made of particles and all particles are?
melisa1 [442]
All particles are in motion.
5 0
3 years ago
Other questions:
  • A balloon filled with helium has a volume of 30.0 L and a temperature of 15.0 C. What will the volume of the balloon be if the t
    15·1 answer
  • What causes the appearance of lines in an emission spectrum?
    7·2 answers
  • How many regions are in the electromagnetic spectrum?
    15·1 answer
  • Which branch of chemistry would be used by physicians when deciding
    12·1 answer
  • 1. According to the equation, what mass of hydrogen fluoride is necessary to produce 2.3 g of sodium fluoride?
    9·1 answer
  • Explain the following terms Sublimation
    13·1 answer
  • Which of the following statements is consistent with the electron configuration 1s22s22p63s23p4?
    8·1 answer
  • Como se chama o processo de de transformação da larva do indivíduo adulto? Dê exemplos de animais que passam por esse processo.
    14·1 answer
  • Nuclear forces exists because the particles in the nucleus are ?
    6·1 answer
  • In your own words, explain why the Linnaean system has changed over time pls help
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!