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
Katen [24]
3 years ago
14

Calculate the change in energy of an atom that emits a photon of wavelength 2.21 meters. (Planck’s constant is 6.626 x 10-34 jou

le seconds, the speed of light is 2.998 x 108 m/s)
Chemistry
1 answer:
sp2606 [1]3 years ago
7 0
Change in energy is E=hc/wavelength of emitted photon
You might be interested in
Magnesium will...
azamat

Answer:

D

Explanation:

magnesium always lose 2 electrons

3 0
3 years ago
During the nuclear fission process, the transformation between a parent and daughter isotope involves a a release of neutrons an
denis-greek [22]

Answer:

The energy harnessed in nuclei is released in nuclear reactions. Fission is the splitting of a heavy nucleus into lighter nuclei and fusion is the combining of nuclei to form a bigger and heavier nucleus. The consequence of fission or fusion is the absorption or release of energy.

Introduction

7 0
2 years ago
A sample of helium gas is in a sealed rigid container. What occurs as the temperature of the sample is increased
hammer [34]
The electrons will move more rapidly resulting in a higher pressure even at a consistent volume
3 0
3 years ago
What mass of mgo is produced from 2.00 moles of mg ? Mg +02 mgo
Vanyuwa [196]
Chemical Reactions and Moles of Reactants and Products
That is, it requires 2 moles of magnesium and 1 mole of oxygen to produce 2 moles of magnesium oxide. If only 1 mole of magnesium was present, it would require 1 ÷ 2 = ½ mole of oxygen gas to produce 2 ÷ 2 = 1 mole magnesium oxide.
3 0
3 years ago
Which statement best explains why Earth's outer core is in liquid form?
sweet-ann [11.9K]

Answer:

The Answer is A, The iron-nickel alloy melts due to hot temperatures.

Explanation:

I took the test on edgenuity :) hope this helps.

7 0
3 years ago
Read 2 more answers
Other questions:
  • The density of a 15.00% by mass aqueous solution of acetic acid, CH3COOH, is 1.0187g/mL. What is (a) the molarity? (b) the molal
    15·1 answer
  • A car rolls down a ramp. What is the force acting on the car that causes the movement down the ramp? A) acceleration B) centripe
    11·1 answer
  • Cosmone has the molecular formula C15H26O. Calculate the number of moles of carbon in a 8.35-mol sample of cosmone. Calculate th
    15·1 answer
  • What is the chemical name for CaCO3?
    7·2 answers
  • The plastic which do not remould against on the heating are called ___..​
    13·1 answer
  • How can you tell a Cu(No3)2 solution from a Ni(NO3)2 solution?
    10·1 answer
  • Element "Z" has 2 naturally occurring isotopes with the following masses and natural abundances:
    13·1 answer
  • Which type of reaction involves one element replacing another element in a compound
    11·2 answers
  • Calculate the number of moles of NaOH that are needed to react with 500.0 g of
    7·1 answer
  • A student was assigned to take water samples from a lake his home . He measured the pH of one of the water samples to be 6.0 . W
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!