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3 years ago

True or false: The following equation is balanced properly: 6CO2 + 6H2O → C6H12O6 + O2

Chemistry

1 answer:

d1i1m1o1n [39]3 years ago

6 0

No as oxygen is not balance
In reactants side there is 12 oxygen and in the product side there is 8 oxygen

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Some help I’ll give brainliest

daser333 [38]

Answer: Meteoroid

Explanation:

Dwarf planets are smaller than moons

Comets are smaller than dwarf planets.

Meteoroids, Meteors, and Meteorites are broken off pieces of comets.

Meteoroids are smaller than Asteroids

5 0

3 years ago

If you mix 50mL of 0.1 M TRIS acid with 60 mL of0.2 M TRIS base, what will be the resulting pH?

Katyanochek1 [597]

Answer: The pH of resulting solution is 8.7

Explanation:

To calculate the number of moles for given molarity, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Moles of solute}\times 1000}{\text{Volume of solution (in mL)}}$

For TRIS acid:

Molarity of TRIS acid solution = 0.1 M

Volume of solution = 50 mL

Putting values in above equation, we get:

$0.1M=\frac{\text{Moles of TRIS acid}\times 1000}{50mL}\\\\\text{Moles of TRIS acid}=0.005mol$

For TRIS base:

Molarity of TRIS base solution = 0.2 M

Volume of solution = 60 mL

Putting values in above equation, we get:

$0.2M=\frac{\text{Moles of TRIS base}\times 1000}{60mL}\\\\\text{Moles of TRIS base}=0.012mol$

Volume of solution = 50 + 60 = 110 mL = 0.11 L (Conversion factor: 1 L = 1000 mL)

To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:

$pH=pK_a+\log(\frac{[salt]}{[acid]})$

$pH=pK_a+\log(\frac{[\text{TRIS base}]}{[\text{TRIS acid}]})$

We are given:

$pK_a$ = negative logarithm of acid dissociation constant of TRIS acid = 8.3

$[\text{TRIS acid}]=\frac{0.005}{0.11}$

$[\text{TRIS base}]=\frac{0.012}{0.11}$

pH = ?

Putting values in above equation, we get:

$pH=8.3+\log(\frac{0.012/0.11}{0.005/0.11})\\\\pH=8.7$

Hence, the pH of resulting solution is 8.7

6 0

4 years ago

Acid + base —> salt + water What type of reaction is this?

erastova [34]

$\sf{Acid}+\bf{Base}\longrightarrow \tt{Salt}+\bold{Water }$

These type of reaction is called as Neutralization Reaction.

8 0

3 years ago

Which ones are wrong if the are wrong what is the right answer

dmitriy555 [2]

6.) the correct answer is endocytosis

3 0

4 years ago

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Which of the following is not true about chemical changes? a. They form a new substance. b. They can be reversed by physical cha

Sonbull [250]

Answer: The correct option is b.

Explanation: Chemical reaction is a reaction i which the chemical composition of the reactants gets changed and new substances having different chemical composition is formed. This reaction cannot be reversed by any physical means.

Indicators showing chemical changes are :

Color change
Characteristic odor
Formation of bubbles
Formation of precipitate

From the given information above, it can be stated that the correct option is b.

8 0

3 years ago

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