Drawing a conclusion derived from knowledge of an established principle is called deductive reasoning.

Chemistry

2 answers:

kobusy [5.1K]4 years ago

4 0

That would be correct.

KiRa [710]4 years ago

3 0

Answer: TRUE

Explanation:

Deductive reasoning is a process in which a conclusion is drawn on the basis of similarities and concordance with pre- proposed principles and multiple premises which are expected and assumed to be true.

In simple words the deductive reasoning is based upon conclusion which is derived from one or more statements or principles which are expected to be true.

On the basis of the above explanation, the statement Drawing a conclusion derived from knowledge of an established principle is called deductive reasoning. is true.

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Based on the equation, how many grams of Br2 are required to react completely with 36.2 grams of AlCl3?

s2008m [1.1K]

Answer:

65.08 g.

Explanation:

For the reaction, the balanced equation is:

2AlCl₃ + 3Br₂ → 2AlBr₃ + 3Cl₂,

2.0 mole of AlCl₃ reacts with 3.0 mole of Br₂ to produce 2.0 mole of AlBr₃ and 3.0 mole of Cl₂.

Firstly, we need to calculate the no. of moles of 36.2 grams of AlCl₃:

n = mass/molar mass = (36.2 g)/(133.34 g/mol) = 0.2715 mol.

Using cross multiplication:

2.0 mole of AlCl₃ reacts with → 3.0 mole of Br₂, from the stichiometry.

0.2715 mol of AlCl₃ reacts with → ??? mole of Br₂.

∴ The no. of moles of Br₂ reacts completely with 0.2715 mol (36.2 g) of AlCl₃ = (0.2715 mol)(3.0 mole)/(2.0 mole) = 0.4072 mol.

∴ The mass of Br₂ reacts completely with 0.2715 mol (36.2 g) of AlCl₃ = no. of moles of Br₂ x molar mass = (0.4072 mol)(159.808 g/mol ) = 65.08 g.

4 0

3 years ago

How many moles of solute are in 250.0 mL of a 3.00 M HCl solution?

cestrela7 [59]

0.250 L*3M=0.250 L*3mol/L= 0.750 mol

8 0

3 years ago

In the Bohr model of the hydrogen atom, the energy required to excite an electron from n = 2 to n = 3 is _______________ the ene

yawa3891 [41]

Answer:

greater than

Explanation: