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
MrRissso [65]
3 years ago
13

An electromagnetic wave that has a higher frequency than ultraviolet light will have ___ than the ultraviolet light. A. Longer w

avelength and higher energy B. longer wavelength and lower energy C. shorter wavelength and higher energy D. shorter wavelength and lower energy

Chemistry
1 answer:
Sloan [31]3 years ago
6 0

the answer is c. because the higher the frequency the shorter the wave and the more energy it has

You might be interested in
Using standard heats of formation, calculate the standard enthalpy change for the following reaction. 2H2S(g) 3O2(g)2H2O(l) 2SO2
Marizza181 [45]

Answer:

\Delta _rH=-1124.14kJ/mol

Explanation:

Hello!

In this case, since the standard enthalpy change for a chemical reaction is stood for the enthalpy of reaction, for the given reaction:

2H_2S(g) +3O_2(g)\rightarrow 2H_2O(l) +2SO_2(g)

We set up the enthalpy of reaction considering the enthalpy of formation of each species in the reaction at the specified phase and the stoichiometric coefficient:

\Delta _rH=2\Delta _fH_{H_2O,liq}+2\Delta _fH_{SO_2,gas}-2\Delta _fH_{H_2S,gas}-3\Delta _fH_{O_2,gas}

In such a way, by using the NIST database, we find that:

\Delta _fH_{H_2O, liq}=-285.83kJ/mol\\\\\Delta _fH_{SO_2, gas}=-296.84kJ/mol\\\\\Delta _fH_{O_2,gas}=0kJ/mol\\\\\Delta _fH_{H_2S,gas}=-20.50kJ/mol

Thus, we plug in the enthalpies of formation to obtain:

\Delta _rH=2(-285.73kJ/mol)+2(-296.84kJ/mol)-2(-20.50kJ/mol)-3(0kJ/mol)\\\\\Delta _rH=-1124.14kJ/mol

Best regards!

8 0
3 years ago
The human body excretes nitrogen in the form of urea, NH₂CONH₂. The key step in its biochemical formation is the reaction of wat
Misha Larkins [42]

Mass perventage of nitrogen in urea, arginine, ornithine is   46.67%, 32.2%,21% respectively.

What is Mass perventage ?

Mass percentage is one way of representing the concentration of an element in a compound or a component in a mixture. Mass percentage is calculated as the mass of a component divided by the total mass of the mixture, multiplied by 100.

Molecular mass of urea (NH2CONH2) is= 2× (Atomic mass of N ) + 4 × (Atomic mass of H) + (Atomic mass of C) (Atomic mass of O) = 60

Mass percentage of N = Total mass of N atoms in the compoundMass of compound×100=2860×100=46.67%

chemical formula for arginine is C6H14N4O2

molar mass of C6H14N4O2=174g/mol

moles of N atoms in C6H14N4O2=4

mass of N atoms=14*4=56g

mass percent of N in C6H14N4O2=(56/174)*100=32.2%

the chemical formula for ornithine is C5H12N2O2

molar mass of C5H12N2O2=132g/mol

moles of N atoms in C5H12N2O2=2

mass of N atoms in C5H12N2O2=2*14=28

mass percent of N in C5H12N2O2=(28/132)*100=21%

To learn more about urea click on the link below:

brainly.com/question/17812875

#SPJ4

7 0
1 year ago
Which of the following is considered a form of technology?
anygoal [31]

Answer:

The answer is B. Hope this helps! please give me brainliest!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! =)

8 0
3 years ago
Read 2 more answers
Which of these lab safety procedures is INCORRECT?
Ksju [112]

Answer:

D

Explanation:

D is not necessary to follow lab safety in Laboratory

6 0
3 years ago
Is soil a pure or impure substance?​
irinina [24]
Impure substance, because pure would be dirt from the earth
5 0
3 years ago
Read 2 more answers
Other questions:
  • What effect does rapid exhalation of CO2 during exercise have on the concentration of H2CO3 in the blood?
    8·1 answer
  • Amanda's younger brother tells her that he saw a comet with a long and bright tail move rapidly across the sky. Amanda tells him
    5·2 answers
  • Identify fossil types match each each type of fossil to its description
    13·2 answers
  • What is the molarity of a solution prepared by dissolving 12.0 g of sodium acetate, nac2h3o2, in water and diluting it to 250.0
    15·1 answer
  • Assess the importance to organisms of<br> maintaining homeostasis.
    11·1 answer
  • What is the name of the following Arrhenius acid, H3PO3?
    11·1 answer
  • 0.30 kg cart moves on an air track at 1.2 m/s.It collides with and sticks to another cart of mass 500 g,which was stationary bef
    14·1 answer
  • What would happen if a plant could carry out photosynthesis but not respiration?
    14·1 answer
  • What will be seen when lithium chloride reacts with sulphuric acid?
    7·2 answers
  • Hello! What’s an electron cloud? I don’t understand why it’s distorted too :/
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!