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wolverine [178]
2 years ago
11

Find molar mass of a gas when the density is given as 1.25g / L

Chemistry
1 answer:
adelina 88 [10]2 years ago
7 0
1.25 g x 22.4 l / 1 mol = 28 g/mol
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Which statements are true about reversible reactions?
umka21 [38]

Answer:

Reversible reactions exhibit the same reaction rate for forward and reverse reactions at equilibrium.

Reversible reactions exhibit constant concentrations of reactants and products at equilibrium

Explanation:

A reversible reaction is a reaction that can proceed in both forward and backward direction.

Equilibrium is attained in a chemical system when there is no observable change in the properties of the system.

At equilibrium, a reversible reaction is occurring in at same rate. That is, the forward and backward reaction is occurring at the same rate. As the rate of the forward and backward reaction remains the same, the concentrations of the reactants and products will also be the same in order for the equilibrium to be maintained.

5 0
3 years ago
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Which landforms are created where cirques meet?
dezoksy [38]

Aretes and horns

Explanation:

Aretes and horns are the landforms that are created where cirques meet. These landforms are products of glacier erosion in most temperate and polar regions.

  • Cirques are common products of alpine glacier erosion.
  • They arise in form of bowl shaped hollows on the side of a mountain.
  • These hollows joins to form a U-shaped valley called Aretes and unique pointed arcs known as horns.

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factors that affects erosion brainly.com/question/2473244

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6 0
3 years ago
Compare the microbumps material with antibiotics:
hram777 [196]

Answer:

Antibacterial specifically refers to an inhibition of growth of bacteria, whereas antibiotics refer to a general inhibition of growth of microorganisms, which could include bacteria and viruses.

4 0
2 years ago
PLEASE HELP!!
LUCKY_DIMON [66]

Answer:

5.1 - 2.3685 = 2.7315 \\

3 0
2 years ago
There are three isotopes of X element (X):
Nutka1998 [239]

Answer:

Average atomic mass = 17.5 amu.

Explanation:

Given data:

X-17 isotope = atomic mass17.2 amu, abundance:78.99%

X-18isotope =  atomic mass 18.1 amu, abundance 10.00%

X-19isotope = atomic mass:19.1 amu, abundance: 11.01%

Average atomic mass of X = ?

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) + (abundance of 3rd isotope × its atomic mass)  / 100

Average atomic mass  = (78.99×17.2)+(10.00×18.1) +(11.01+ 19.1) /100

Average atomic mass =  1358.628 + 181 +210.291 / 100

Average atomic mass  = 1749.919 / 100

Average atomic mass = 17.5 amu.

8 0
2 years ago
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