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
mina [271]
3 years ago
7

You have 281 kilojoules how many kilocalories is it need to know ASAP

Chemistry
1 answer:
Paul [167]3 years ago
5 0
67.116 kilocalories is the answer
You might be interested in
The best reading for the volume of the gas in the syringe in the picture shown right is
spayn [35]

Answer:

48.5 mL , just did it on edge

6 0
3 years ago
Instructions:
never [62]

Answer:

See explanation

Explanation:

A. Constitutional or structural isomers have the same molecular formula but different structural formulas.

B. Conformational isomers are compounds having the same atom to atom connectivity but differ by rotation about one or more single bonds.

C. Stereo isomers are compounds having the same molecular mass and atom to atom connectivity but different arrangement of atoms and groups in space.

I. Enantiomers are stereo isomers (optical isomers particularly) that are non-superimposable mirror images of each other.

II. Diasteromers are optical isomers that are not mirror images of each other.

Both diasteromers and enantiomers are types of optical isomers which in turn is one of the types of stereo isomers.

Stereo isomers differ from conformational isomers in that the arrangement of atoms in stereo isomers is permanent while conformational isomers results from free rotations in molecules about single bonds.

7 0
3 years ago
a sealed container filled with argon gas at 35 c has a pressure of 832 torr. if the volume of the container is decreased by a fa
lesya692 [45]

Answer:

If the volume of the container is decreased by a factor of 2 the pressure is is increased by the same factor to 1664 torr.

Explanation:

Here we have Boyle's law which states that, at constant temperature, the volume of a given mass of gas is inversely proportional to its pressure

V ∝ 1/P or V₁·P₁ = V₂·P₂

Where:

V₁ = Initial volume

V₂ = Final volume = V₁/2

P₁ = Initial pressure = 832 torr

P₂ = Final pressure  = Required

From V₁·P₁ = V₂·P₂ we have,

P₂ = V₁·P₁/V₂ = V₁·P₁/(V₁/2)

P₂  = 2·V₁·P₁/V₁ = 2·P₁ = 2× 832 torr = 1664 torr

6 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST!:)
nalin [4]
I am sorry but do not listen to the link above it is a virus and it will be installed if you do stay safe and spread the word
4 0
3 years ago
Which notations represent hydrogen isotopes?
lisabon 2012 [21]

Isotopes are chemical elements with same atomic number (Z), but different mass number (different number of neutrons).

Hydrogen is an element with atomic number 1. It has three isotopes:

1) protium (₁¹H), with mass number 1 (no neutrons).

2) deuterium (₁²H), with mass number 2 (one neutrons, n° = 2 -1, n° = 1).

3) tritium (₁³H), with mass number 3 (two neutrons, n° = 3 -1, n° = 2).

3 0
3 years ago
Read 2 more answers
Other questions:
  • Match each compound with its appropriate pKa value.
    7·1 answer
  • If you burn 46.0 g of hydrogen and produce 411 g of water, how much oxygen reacted?
    15·1 answer
  • What is necssesary for a plant to exhibit phototropism
    8·1 answer
  • Why is pure silicon a poor conductor at room temperature?
    7·1 answer
  • What are the types of chemical equations ?
    8·1 answer
  • A compound's molecular formula must always be different than the compound's empirical formula. TRUE FALSE
    11·1 answer
  • What happens to the temperature of the liquid in a cup of water when come of the water evaporates?
    10·1 answer
  • How do magnetic forces repel or attract? make it short and simple 25 points
    9·2 answers
  • Which pair of atoms is held together by a covalent bond HCl LiCl NaCl KCl​
    11·1 answer
  • During the nuclear fission of plutonium-244, barium-144 produced, along with an unknown nucleus and three neutrons. What must be
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!