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HACTEHA [7]
2 years ago
14

How would I solve this kind of equation ?3.346 x 10^6km to m

Chemistry
1 answer:
mash [69]2 years ago
5 0

Answer:

Explanation:

This question is asking to convert a measurement in kilometers to meters

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If a diatomic molecule has a vibrational force constant of k=240 kg s-2 and a reduced mass of 1.627x10-27 kg, its vibrational fr
asambeis [7]

Answer:

2040 cm-1

Explanation:

The vibrations frequency is obtained from;

v=1/2πc √k/μ

Where;

k= force constant = 240kgs-2

μ= reduced mass = 1.627×10^-27 kg

c= speed of light= 3×10^10cms-1

v= 1/2×3.142×3×10^10√240/1.627×10^-27

v= 5.3×10^-12 × 3.84×10^14

v= 20.4×10^2

v= 2040 cm-1

8 0
3 years ago
Given the reaction: 4 NH3(g) + 5 O2(g) → 4 NO (g) + 6 H2O When 1.20 mole of ammonia reacts, how many moles of water are produced
Ganezh [65]

Answer:

When 1.20 mole of ammonia reacts, 1.8 moles of water are produced.

Explanation:

The balanced reaction is:

4 NH₃(g) + 5 O₂(g) → 4 NO (g) + 6 H₂O

By stoichiometry of the reaction, the following amounts of moles participate in the reaction:

  • NH₃: 4 moles
  • O₂: 5 moles
  • NO: 4 moles
  • H₂O:  6 moles

Then you can apply the following rule of three: if by stoichiometry 4 moles of ammonia produce 6 moles of water, 1.2 moles of ammonia will produce how many moles of water?

moles of water=\frac{1.2 moles of ammonia*6 moles of water}{4 moles of ammonia}

moles of water= 1.8 moles

<u><em>When 1.20 mole of ammonia reacts, 1.8 moles of water are produced.</em></u>

<u><em></em></u>

8 0
2 years ago
a brick measures of 13 inches i length 10 iches in height and 4 inches in width what is the vlume of the brick
REY [17]
13*10*4= 520 inches^3
4 0
2 years ago
All of the following are units for pressure except _____. A. Pa B. psi C. atm D. Hg
MA_775_DIABLO [31]

Answer:

B. psi

Explanation:

Pa is Pascal

atm is atmosphere

Hg is Mercury

hope it helps.

6 0
3 years ago
(WRITE AT LEAST 3 COMMENTS FROM YOUR MOST REACTED POST)
quester [9]
Karma sucide and hunger
5 0
2 years ago
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