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sp2606 [1]
3 years ago
7

What is the Law of Octaves?

Chemistry
1 answer:
kicyunya [14]3 years ago
4 0

i believe the answer would be D. When ordered by atomics mass every eighth element has similar properties.

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write the equilibrium expression for the base ionization of the weak base of methylamine, ch3 nh2 . hint: first write the balanc
svetlana [45]

CH3NH2 + HOH ==> CH3NH3^+ + OH^-Which molecule/ion accepts a proton. That is the base. Which molecule/ion donates a proton. That is the acid.

A stable subatomic particle known by the symbol for "proton"

e elementary charge, p, H+, or 1H+ having a positive electric charge. Its mass is 1,836 times greater than an electron's mass and just a little bit less than that of a neutron (the proton–electron mass ratio). "Nucleons" refers to protons and neutrons together, each of which has a mass of roughly one atomic mass unit (particles present in atomic nuclei).

Each atom. has a nucleus. that contains one or more protons. In order to keep the atomic electrons bound, they offer the central attractive electrostatic force. An element's defining characteristic, known as the atomic number, is the number of protons in the nucleus (represented by the symbol Z)

Learn more about proton here:

brainly.com/question/1252435

#SPJ4

4 0
1 year ago
Measure out 2.87 moles of sodium chloride (Nacl) into a clean dry cup. ​
Anettt [7]

Answer: weigh is m = n × M = 2.87 mol × 58.44 g/mol

Explanation: mass = amount of substance × molar mass

M((NaCl) = 22.99 +35.45

6 0
3 years ago
Name 3 things that rainforest and deserts have in common
Arturiano [62]
Some similarities between deserts and rainforests are that they support complex ecosystems, are powered by the sun/photosynthetic plants, are dangerous/mostly uninhabitable for humans, due to both conditions and wildlife, and are found mostly in the tropics
3 0
3 years ago
Read 2 more answers
1. 17.0 grams of xenon hexafluoride is in a solid container. How many milliliters of that gas
BlackZzzverrR [31]

Answer: The volume of gas is 3020 ml

Explanation:

According to ideal gas equation:

PV=nRT

P = pressure of gas = 821.4 torr =  1.08 atm     (760 torr = 1atm)

V = Volume of gas in L = ?

n = number of moles = \frac{\text {given mass}}{\text {Molar mass}}=\frac{17.0g}{245.28g/mol}=0.069mol

R = gas constant =0.0821Latm/Kmol

T =temperature =302.7^0C=(302.7+273)K=575.7K

V=\frac{nRT}{P}

V=\frac{0.069mol\times 0.0821Latm/K mol\times 575.7K}{1.08atm}=3.02L=3020ml

Thus volume of gas is 3020 ml

4 0
3 years ago
Q24. List all of the ways you can force the reaction to shift to the product 5 points
densk [106]

Answer:

1) Increase temperature

2) Decrease temperature

3) Increase concentration of reactants

4) Increase pressure

5) Decrease pressure

Explanation:

Le Chatelier's Principle Fundamentals states that a chemical reaction at equilibrium that undergoes changes to pressure, temperature, or concentration, this will cause the equilibrium to shift in the opposite direction to offset the change.

1) Increase temperature

2) Decrease temperature

3) Increase concentration of reactants

4) Increase pressure

5) Decrease pressure

4 0
3 years ago
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