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dexar [7]
2 years ago
13

Adding a catalyst to a system at equilibrium lowers the activation energy required by a system, which system, which shifts the e

quilibrium position toward the products.
True or false?
Chemistry
2 answers:
GarryVolchara [31]2 years ago
8 0

Answer: False

Explanation: Took the test

Len [333]2 years ago
5 0

False is the correct answer.

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Describe the size, content,<br> and the density of an atom’s nucleus.
german
Hmm trick question here's my answer: the content: protons charge the electrons into its usage , the size: 1.6fm if I'm wrong sorry if I'm right: HA IN YOUR FACE HA!!!
7 0
3 years ago
The following five beakers, each containing a solution of sodium chloride (NaCl, also known as table salt), were found on a lab
mixas84 [53]

Answer:

See the answers below

Explanation:

1)  100. mL of solution containing 19.5 g of NaCl  (3.3M)

2)  100. mL of 3.00 M NaCl solution (3 M)

3) 150. mL of solution containing 19.5 g of NaCl  (2.2 M)

4)  Number 1 and 5 have the same concentration (1.5M)

MW of NaCl = 23 + 36 = 59 g

For number 3

          59 g ------------------- 1 mol

           19,5 g -----------------   x

  x = 19.5 x 1/59 = 0.33 mol

Molarity (M) = 0.33 mol/0.150 l = 2.2 M

For number 4,

Molarity (M) = 0.33mol/0.10 l = 3.3 M

For number 5

Molarity (M) = 0.450/0.3 = 1.5 M

4 0
3 years ago
Read 2 more answers
(HELP) how can you make the metal chair less cold when you sit on it?
soldi70 [24.7K]

Answer:

metal can hold heat keep it near fire

7 0
3 years ago
Map
grin007 [14]

Answer: 1650 hope i got it in time.

Explanation:

3 0
2 years ago
B. It shifts the equilibrium toward the right, favoring product.
PilotLPTM [1.2K]

Answer:

11) the difference in heat energies between products and reactants

12) enthalpy change

Explanation:

The heat of reaction is defined as that energy released or absorbed as chemical substances participate in a chemical reaction. It is a term used to denote the change in energy as reactants change into products.

Another name of heat of reaction is enthalpy of reaction. It is a state function since it depends on the initial and final states of the system.

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3 years ago
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