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Lubov Fominskaja [6]
3 years ago
5

Which reaction is an example of an acid-base reaction? Which reaction is an example of an acid-base reaction?

Chemistry
1 answer:
oksian1 [2.3K]3 years ago
3 0

Answer:

B) H2SO4 (aq) + Ca(OH)2 (aq) → CaSO4 (aq) + 2 H2O(l)

Explanation:

A is a reaction between a salt FeCl3 and a base KOH

C is a n acid decomposing on it's own to form two products

D is mercury, a metal reacting with oxygen. Two elements reacting. Neither are an acid or a base

E. is an acid reacting with a metal to liberate hydrogen. There is no base

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Hand disinfection is frequently recommended for prevention of transmission of the rhinovirus that causes the common cold. A tota
Dmitry [639]

Answer:

No

Explanation:

AS there are more that are sick in the HL+ group than in the control group.

5 0
3 years ago
A balloon has a volume of 10,500 liters, and the temperature is 15°C. If the temperature were -25°C, what would the volume of th
harina [27]
Answer is: <span>b) 9,042 L.
Ideal gas law: p</span>·V = n·R·T.
p is the pressure of the gas.
V is the volume of the gas.
n is amount of substance.
R  is universal gas constant.
T is temperature.
T₁ = 15°C = 288 K.
V₁ = 10,5 L.
T₂ = -25°C = 248 K.
V₂ = ?
V₁/T₁ = V₂/T₂
V₂ = 10,5 L · 248 K ÷ 288 K
V₂ = 9,042 L.
8 0
3 years ago
PLEASE HELP 15 PTS!!!!! How can chemistry be used to improve energy efficiency?
kodGreya [7K]
The products enable our nations efforts to improve energy efficiency . From insulation to coolants to packaging , the product of chemistry help save energy day . But chemistry also is the source of many innovative technologies that drive cleaner energy options , create green jobs and propel u.s. economic growth.
4 0
3 years ago
Which statement is true of the rock cycle?
o-na [289]

Answer:

c

Explanation:

igneous, sedimentary, and metamorphic. igneous forms from molten rock cools and solidifides

6 0
3 years ago
Read 2 more answers
1.5 moles of Al is how many<br> atoms?
aev [14]

Answer:

<h2>9.03 × 10²³ atoms </h2>

Explanation:

The number of atoms of Al can be found by using the formula

<h3>N = n × L</h3>

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 1.5 × 6.02 × 10²³

We have the final answer as

<h3>9.03 × 10²³ atoms</h3>

Hope this helps you

4 0
2 years ago
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