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
Alborosie
3 years ago
6

10 POINTS

Chemistry
1 answer:
Snowcat [4.5K]3 years ago
7 0
E=hc/λ =6.626×10^-34×3 ×10^8 / 3×10^7 × 10^-9 = 6.626×10 ^-24J.
You might be interested in
How the size of the sun compares to the sizes of the other stars
s2008m [1.1K]
Donut flavor apple sauce with chicken strips
5 0
3 years ago
Read 2 more answers
1. Classify the following matter as a pure substance or a mixture.<br> Potassium
dlinn [17]

Pure substance, basically, it’s on the periodic table.

4 0
3 years ago
Emergency pleasee help Frequency of an electromagnetic wave determines how much radiant energy is carried.
deff fn [24]
The higher the frequency of a wave, the SHORTER the wavelength of the wave.
5 0
3 years ago
One problem with fuel-cell cars is that
allsm [11]

Answer: <u>Hydrogen.</u>

Explanation: <u>One problem with fuel-cell cars is that hydrogen gas is not readily available in pure form.</u> Fuel cell vehicles use hydrogen gas to power an electric motor. Unlike conventional vehicles which run on gasoline or diesel, fuel cell cars and trucks combine hydrogen and oxygen to produce electricity, which runs a motor. Hope this helps ^-^.

5 0
3 years ago
Read 2 more answers
Which element is NOT in the cobalt subgroup? <br> a)iron <br> b)cobalt <br> c)iridium <br> d)rhodium
hoa [83]
Iron is the element that is not in the cobalt subgroup. 
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following substances would have a fixed shape and volume at room temperature?
    14·1 answer
  • When minerals or salts dissolve in water, they form
    13·2 answers
  • Are all elements abbreviated with one or two letters? If not, name some that aren't.
    15·2 answers
  • As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the po
    12·1 answer
  • Which set of characteristics listed below are unique to the inner<br> planets?
    8·1 answer
  • What is the death dependent variable? <br> Picture
    8·1 answer
  • You exert the same force on two objects of different masses. Which object will have the greater acceleration? Explain your answe
    7·1 answer
  • En la ecuación NaOH (ac) + H2SO4 (ac) -- &gt; Na2SO4 (S) + H2O (l) ¿Quienes son los reactivos?
    11·2 answers
  • A chemistry teacher is able to grade chemistry labs at a rate of 5 labs for every 3 minutes. They need to grade 165 labs how man
    10·1 answer
  • What is the hydrogen ion concentration of oven cleaner?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!