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3 years ago

which statement is true about the reaction shown by this chemical equation HCl + NaOH ------> NaCl + H2O

Chemistry

2 answers:

bixtya [17]3 years ago

7 0

Answer: It is endothermic

Explanation:

NNADVOKAT [17]3 years ago

3 0

Answer:

A. It is exothermic

Explanation:

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Which of the following possible outcomes regarding the universe do scientists think is most likey?

hichkok12 [17]

The universe will continue to expand

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25.00 gal/min to L/s, Express your answer using four significant figures.

PtichkaEL [24]

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3 years ago

Draw a complete structural formula and a condensed structural formula for(a) three compounds of formula C3H8O (b) five compounds

Marat540 [252]

Answer:

Explanation:

A. Attached is a page which contain the structural formula of the three compounds of C3H80.

Condensed structural formula of C3H8O:

Propan-1-ol: CH3CH2CH2OH

Propan-2-ol: CH3CH(OH)CH3

Methoxy methane: CH3OCH2CH3

B. Attached are is a page which contain the structural formula of the three compounds of C3H60.

Condensed structural formula of C3H6O:

Propanal: CH3CH2CHO

Propanone: CH3COCH3

Cyclopropanol: (C3H5)OH

2-propen-1-ol: CH2CHCH2OH

1-propenol: CH3CHCHOH

4 0

4 years ago

A gas is heated from 263.0 K to 298.0 K and the volume is increased from 24.0 liters to 35.0 liters by moving a large piston wit

Evgesh-ka [11]

Answer:

The answer to your question is P2 = 0.78 atm

Explanation:

Data

Temperature 1 = T1 = 263°K Temperature 2 = T2 = 298°K

Volume 1 = V1 = 24 L Volume 2 = V2 = 35 L

Pressure 1 = P1 = 1 Pressure 2 = P2 = ?

Process

1.- To solve this problem use the Combined gas law

P1V1/T1 = P2V2/T2

-Solve for P2

P2 = P1V1T2 / T1V2

-Substitution

P2 = (1)(24)(298) / (263)(35)

-Simplification

P2 = 7152 / 9205

-Result

P2 = 0.777

or P2 = 0.78 atm

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3 years ago

How is the Crystal lattice of an ionic compound different from the Crystal formation of a metallic compound

den301095 [7]

Answer:

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3 years ago