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3 years ago

HELP!!!!!!!!!!!!!!!!!!! 100 POINTSSSSSSSSSSSSSS

Chemistry

2 answers:

e-lub [12.9K]3 years ago

7 0

Answer:

<em><u>The three-dimensional region of space that indicates where there is a high probability of finding an electron.</u></em>

jekas [21]3 years ago

7 0

Answer:

The orbital shown above is a 2s orbital. This is similar to a 1s orbital, except that the region where there is the greatest chance of finding the electron is further from the nucleus. This is an orbital at the second energy level.

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Two students are given the starting material benzoic acid and are asked to prepare benzaldehyde. The first student starts by ref

Likurg_2 [28]

Answer:

Compound A: Benzoyl chloride

Compound B: Benzaldehyde - (tBuO)₃Al complex

Compound C: Benzaldehyde

Compound D: Benzyl alcohol

Explanation:

The lithium tri-tert-butoxyaluminum hydride that the first student used is a milder reagent than LAH and will stop reacting at the aldehyde.

The LAH that the second student used is much more reactive and will continue to reduce the benzoic acid as far as possible, going all the way to the alcohol.

See the attachment for the reaction steps.

5 0

3 years ago

The male monster has an HH genotype, and the female has a hh genotype. Will the baby monsters have horns?

viva [34]

Answer:

like the others its C

Explanation:

the dad has horns but the mom does not so the babys could or they could not

8 0

2 years ago

Read 2 more answers

Rutherford used his gold foil experiment as evidence for a new atomic model. He suggested that the atom contained a small

mart [117]

Answer:

The plum pudding model of the atom agreed with the nuclear model

Explanation:

6 0

2 years ago

A ruptured tank in Anywhere, USA, spilled hydrochloric acid. Officials were reported to be concerned that the acid might mix wit

lawyer [7]

Answer:

Option C; NONE.

Explanation:

A chemical reaction forms new chemicals called the products from the initial chemicals called the reactants. The reaction between an acid and a base is called neutralization, and the products formed are water and a salt.

When hydrochloric acid and sodium hydroxide is mixed together, they interact, and result in salt and a release of heat.

The result of the interaction of these two highly aggressive compounds is table salt and water, these resulting compounds are ultimately harmless, and even beneficial, to human beings.

Therefore, NO TOXIC GAS WOULD BE FORMED BY MIXING HYDROCHLORIC ACID WITH SODIUM HYDROXIDE.

5 0

3 years ago

Aluminum sulfate, known as cake alum, has a wide range of uses, from dyeing leather and cloth to purifying sewage. In aqueous so

NISA [10]

Answer:

a) The chemical reaction is given as:

$6NaOH(aq)+Al_2(SO_4)_3\rightarrow 2Al(OH)_3(s)+3Na_2SO_4(aq)$

2.571 grams of aluminum hydroxide is precipitated.

Explanation:

a) The chemical reaction is given as:

$6NaOH(aq)+Al_2(SO_4)_3\rightarrow 2Al(OH)_3(s)+3Na_2SO_4(aq)$

Moles of NaOH = n

Volume of the NaOH = 185.5 mL = 0.1855 L( 1 mL =0.001 L)

Molarity of the solution = 0.533 M

$n=0.533 M\times 0.1855 mL=0.09887 mol$

Moles of aluminum = n

15.8 g of aluminum sulfate per liter.

Volume of solution = 627 mL = 0.627 L (1 mL= 0.001 L)

Mass of aluminium sulfate in solution = 15.8 g/L × 0.627 L =9.9066 g

Moles of aluminum sulfate = $\frac{9.9066 g}{342 g/mol}=0.02897 mol$

Moles of NaOH = 0.09887 mol

According to reaction, 6 moles of NaOH reacts with 1 mole of aluminum sulfate, then 0.09887 moles of NaOH will recat with :

$\frac{1}{6}\times 0.09887 mol=0.01648 mol$

This means that sodium hydroxide moles are in limiting amount.So, amount of aluminum hydroxide will depend upon moles of sodium hydroxide.

According to reaction, 6 moles of sodium hydroxide gives 2 moles of aluminium hydroxide, then 0.09887 moles of sodium hydroxide will give :

$\frac{2}{6}\times 0.09887 mol=0.03296 mol$ of aluminum hydroxide

Mass of 0.03296 moles of aluminum hydroxide:

0.03296 mol × 78 g/mol = 2.571 g

2.571 grams of aluminum hydroxide is precipitated.

8 0

3 years ago