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3 years ago

Which word equation represents a neutralization reaction

Chemistry

2 answers:

Vlad1618 [11]3 years ago

8 0

Base+salt > acid +alkali > neutralization i think this is the reaction

Arisa [49]3 years ago

8 0

Answer: The word equation for neutralization reaction is given below.

Explanation:

Neutralization reaction is defined as the reaction in which acid reacts with base to produce a salt and water as products. The chemical equation for this reaction follows:

$HX+BOH\rightarrow BX+H_2O$

where,

HX is a acid

BOH is a base

BX is the salt

$H_2O$ is the water molecule.

The word equation for the above reaction follows:

$\text{Acid }+\text{ Base}\rightarrow \text{Salt }+H_2O$

Hence, the word equation for the neutralization reaction is given above.

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Express the quantity 556.2 x 10^-12 in each units A.) ms B.) ns C.) ps D.) fs

zavuch27 [327]

The answer:
we should know the meaning of each abbreviation:
ms means millisecond, its value is 10^-3 s
ns means means nanosecond, its value is 10^-9 s
ps means picosecond, its value is 10^-12 s
fs means femtosecond, its value is 1x 10^15 s

Expressions of the quantity 556.2 x 10^-12 are
556.2 x 10^-12 =556.2 ps
556.2 x 10^-12 =556.2 x 10^-9 x 10^-3= 556.2 x 10^-9 ms
556.2 x 10^-12 = 556.2 x 10^-3 x 10^-9 = 556.2 x 10^-3 ns
556.2 x 10^-12 = 556.2 x 10^- 27 x 10^15 = 556.2 x 10^- 27 fs

6 0

3 years ago

A 508-g sample of sodium bicarbonate (NaHCO3) contains how many moles of sodium bicarbonate (NaHCO3)?

Blizzard [7]

molar mass = (22.99) + (1.01) + (12.01) + 3(16.00)

molar mass = 84.01 g/mol

(508g)(1 mol/84.01 g) = 6.0

There are 6.0 moles of sodium bicarbonate

3 0

3 years ago

Which is the most accurate description of compounds?

baherus [9]

Answer: c.They have a unique set of properties that can be used as identifiers.

Explanation:

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.

Compounds can be decomposed into simpler constituents using chemical reactions.

Example: Water $(H_2O)$

$2H_2O\rightarrow 2H_2+O_2$

Compounds have different properties than the elements it is made up of.

Thus the most accurate description of compounds is that they have a unique set of properties that can be used as identifiers.

3 0

3 years ago

Calculate the density of a solid if it has a mass of 8.47 g and a volume of 3.24 cms.

gtnhenbr [62]

Answer:

Density =2.614g/cms

Explanation:

Density = mass/volume

Density= 8.47g/3.24cms

3 0

3 years ago

At a certain temperature, the solubility of strontium arsenate, sr3(aso4)2, is 0.0560 g/l. what is the ksp of this salt at this

REY [17]

The solution for this problem is:
Get into moles first. .0560 grams over 540.8 grams per mole = 1.04 x l0^-4 moles
Sr3(As04)2 = 3 Sr++(aq) plus 2 As04^-3(aq)
Ksp = (Sr++)^3(As04^-3)^2
(Sr++) = 3 X 1.04 x l0^-4= 3.11 x l0^-4
(As04^-3) = 2 x 1.04 x l0^-4= 2.07 x l0^-4
Ksp = (1.04 x l0^-4)^3 (2.07 x l0^-4)^2 which equals 4.82 x 10^-20

5 0

4 years ago