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
AlekseyPX
3 years ago
13

True or false: All molecules or atoms in a substance have the same amount of kinetic energy at a given temperature?

Chemistry
1 answer:
MakcuM [25]3 years ago
7 0

Answer:

1

False. if they all moved together at any time then it would be a million things withinthe human species all at once at a high rate

You might be interested in
Water is a ______ molecule and the bond between the h-o is a __ ______ bond.
omeli [17]

Answer: polar molocule

Explanation:

8 0
2 years ago
30.00 ml of a h2so4 solution with an unknown concentration was titrated to a phenolphthalein endpoint with 44.45 ml of a 0.1489
kodGreya [7K]

The concentration of the H2SO4 solution should be 0.1101 M.

Calculation of the concentration:

Since

Volume of H2SO4 = 30.00 mL = 0.030 L

Volume of NaOH= 44.45 mL = 0.04445 L

Concentration of NaOH= 0.1489 M

Now

The balanced equation is

H2SO4 + 2NaOH → Na2SO4 + 2H2O

Now the concentration of the H2SO4 solution is

b*Ca*Va = a*Cb*Vb

here,  b = the coefficient of NaOH = 2

Ca = ?

Va = the volume of H2SO4= 30.0 mL = 0.030 L

a = the coefficient of H2SO4 = 1

Cb = the concentration of NaOH = 0.1489 M

Vb = the volume of NaOH = 44.45 mL = 0.04445 L

Now

2*Ca*0.030 = 1* 0.1489* 0.04445

0.060 * Ca = 0.00661

Ca = 0.1101 M

Hence, The concentration of the H2SO4 solution is 0.1101 M.

Learn more about concentration here:

brainly.com/question/14106631

#SPJ4

7 0
1 year ago
How many grams of copper (II) fluoride, CuF2, are needed to make 5.1 liters of a 1.4M solution?
Alexus [3.1K]

Answer: 724.71 grams

Explanation:

Volume of solution (v) = 5.1 liters

Concentration of solution (c) = 1.4M

Amount of CuF2 needed (n) = ?

Since concentration (c) is obtained by dividing the amount of solute dissolved by the volume of solvent, hence

c = n / v

make n the subject formula

n = c x v

n = 1.4M x 5.1 Liters

n = 7.14 moles

Since, 7.14 moles of CuF2 (n) is needed, use the molar mass of CuF2 to get the mass in grams.

The atomic masses of Copper = 63.5g;

and Fluorine = 19g

So, I CuF2 = 63.5g + (19g x 2)

= 63.5g + 38g

= 101.5g/mol

Then, apply the formula

Number of moles = mass in grams / molar mass

7.14 moles = m / 101.5 g/mol

m = 7.14 moles x 101.5 g/mol

m = 724.71g

Thus, 724.71 grams of copper (II) fluoride, CuF2, are needed to make 5.1 liters of a 1.4M solution

7 0
4 years ago
How many joules are required to melt 100 grams of water? The heat of
vova2212 [387]
Answer- 33.4 kJ


Explanation-

100 g H2O x (1mol/18g) = 5.5 mol

q=(5.5 mol)(6.01 KJ/mol)= 33.4 kJ
4 0
3 years ago
Electrons in an atom cannot exist between energy levels
pishuonlain [190]
According to Bohr, the electrons in an atom were only allowed to exist at certain energy levels. ... Just as children cannot hover between two steps on a staircase, Bohr suggested that electrons cannot hover between two energy levels in the atom. Bohr developed his energy level model further using principles from physic
3 0
4 years ago
Other questions:
  • Need help with this question
    5·1 answer
  • Absolute zero is A. the temperature at which the motion of particles theoretically ceases. B. defined as 0°C. C. the triple poin
    8·2 answers
  • A solution is prepared by adding 0.700 g of solid NaClNaCl to 50.0 mL of 0.100 M CaCl2CaCl2. What is the molarity of chloride io
    12·1 answer
  • Pomoże ktoś ułożyć 3 pyatnia do tego tekstu ?
    15·1 answer
  • Which is a physical property of matter?
    6·2 answers
  • Why is gunshot residue important for a forensic scientist? What are the potential complications with this type of evidence?
    7·1 answer
  • Describe the extraction of sodium using down cell
    14·2 answers
  • Please help asap !! it is due at 11:59 tonight
    10·1 answer
  • Define Nuclear Fission with an example of it​
    11·2 answers
  • Which of the following is a simple definition of reduction?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!