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Vladimir [108]
3 years ago
10

Write the empirical formulas for the following compounds:

Chemistry
1 answer:
forsale [732]3 years ago
8 0
I don’t not sure but best luck
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Why are all of the substances on the periodic table classified as elements?
Readme [11.4K]

All elements are pure substances.

4 0
3 years ago
Read 2 more answers
Consider the equilibrium reaction. 2 A + B − ⇀ ↽ − 4 C After multiplying the reaction by a factor of 2, what is the new equilibr
vredina [299]

Answer : The correct expression for equilibrium constant will be:

K_c=\frac{[C]^8}{[A]^4[B]^2}

Explanation :

Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.

The equilibrium expression for the reaction is determined by multiplying the concentrations of products and divided by the concentrations of the reactants and each concentration is raised to the power that is equal to the coefficient in the balanced reaction.

As we know that the concentrations of pure solids and liquids are constant that is they do not change. Thus, they are not included in the equilibrium expression.

The given equilibrium reaction is,

4A+2B\rightleftharpoons 8C

The expression of K_c will be,

K_c=\frac{[C]^8}{[A]^4[B]^2}

Therefore, the correct expression for equilibrium constant will be, K_c=\frac{[C]^8}{[A]^4[B]^2}

4 0
3 years ago
An example of a disaccharide is saccharin-aspartame molecule True False
Flura [38]
I think is False! Because it is not example of a disaccharide it is not saccharin-aspartame molecule.
6 0
3 years ago
How many miles of MgCI2 are there in 345 g of the compound?
Valentin [98]
MgCl2
Mg=24
Cl=35.5×2 = 71
rmm= 71+24=95g
1 mole = molar mass
1 mole = 95g
1g = 1/95 moles
345g= 1/95 × 345
3.6 moles
8 0
3 years ago
What Is Modern Methods Of Agriculture Practices And its Advantages?
Olin [163]

Answer:

Explanation:

Modern Agriculture - The agricultural practices with modern technique like Fertilizers, Innovative hybrid seed, and utilization of machine call modern Agriculture.

Advantages -

Feeding to the population without scarcity of food grains.

Optimum Utilization of land (Crop intensity more then 300%)

Increased production of food grain.

Global Market - even our mangoes available at US and we are getting California apple too.

Due to factories and Machine use this industry is growing to and empowering good employment.

I hope this helps you :)

7 0
4 years ago
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