Answer:
This question is incomplete, it should read 3x² - 10x + 8. The answer is (3x-4) (x-2).
Please find the solved explanation to this question attached
Explanation:
To factorize means to write an expression as a product of its factors using brackets. It is the opposite of expanding an algebraic expression i.e. it involves contracting it using factors common to the variables.
In this question, 3x² - 10x + 8 is given
For the sum, which is -10x, and product, which is 24x², -6x and -4x are the two variables whose sum will give rise to -10x and also whose product will give rise to 24x².
We have;
3x² - 10x + 8
3x² - 6x - 4x + 8
Next, we look for factors of each pair of expression.
3x (x - 2) - 4 (x - 2)
(3x - 4) (x - 2)
941539.2 g of mass of oxygen is produced when 2000 kg of aluminium oxide is completely electrolysed.
<h3>What is electrolysis?</h3>
Electrolysis is the process by which electric current is passed through a substance to effect a chemical change.
The mass of aluminium oxide Al₂O₃ = 2000 kg = 2000 000 g
Molar mass of Al₂O₃ = 101.96 g/mol
no of moles = 
no of moles of Al₂O₃ = 
no of moles of Al₂O₃ = 19615.4 mol
From the reaction:
4Al + 3O₂ ⇒ Al₂O₃
To determine the moles of O₂ in Al₂O₃:
Then;
19615.4 mol X 
mol of O₂ = 29423.1
The mass of oxygen now = 29423.1 × 32 g
= 941539.2 g
Hence, 941539.2 g of mass of oxygen is produced when 2000 kg of aluminium oxide is completely electrolysed.
Learn more about electrolysis here:
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Exothermic is a chemical reaction in which heat is released. Lighting a candle is an example of an exothermic because the flame is the heat being released.
The density has been given as the mass of the substance per volume of the solution. The mass of citric acid in the bottle has been 1.22 grams.
<h3>What is percent mass?</h3>
Percent mass can be given as the mass of substance in the total mass of the solution.
The volume of the face serum has been 250 mL, and the density is 0.979 g/mL.
The mass of face serum in the bottle has been:
The total mass of face serum has been 244.75 grams.
The percent mass of citric acid in face serum is 0.5%. This states the presence of 0.5-gram citric acids in 100 grams sample.
The mass of citric acid in the face serum sample is given as:
The mass of citric acid present in 250 mL serum sample has been 1.22 grams.
Learn more about percent mass, here:
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B) the bacteria that live in the intestine of a rabbit
