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Andrew [12]
3 years ago
5

Give an example of a base in chemistry

Chemistry
2 answers:
slega [8]3 years ago
8 0
An example of a base in chemistry would be like soap or lye
vivado [14]3 years ago
4 0
Acetone which is a weak Lewis base. Acetone: C3H6O
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An atom has 25 protons, 30 neutrons, and 25 electrons. What is the charge of the nucleus?​
DochEvi [55]

Answer:

25

Explanation:

With Protons being the only charged particles in the nucleus, their overall charge is zero. This is because electrons and protons have opposite charges. The nuclear charge of ANY atom is given by its atomic number.

I am joyous to assist you anytime.

4 0
3 years ago
The mass of water in a single popcorn kernel was found to be 0.905 grams after it popped at a temperature of 175 °C. Using the i
Rus_ich [418]

Answer:

0.583 kilojoules

Explanation:

The amount of heat required to pop a single kernel can be calculated using the formula as follows:

Q = m × c × ∆T

Where;

Q = amount of heat (J)

m = mass of water (g)

c = specific heat capacity of water (4.184 J/g°C)

∆T = change in temperature

From the given information, m = 0.905 g, initial temperature (room temperature) = 21°C , final temperature = 175°C, Q = ?

Q = m × c × ∆T

Q = 0.905 × 4.184 × (175°C - 21°C)

Q = 3.786 × 154

Q = 583.044 Joules

In kilojoules i.e. we divide by 1000, the amount of heat is:

= 583.04/1000

= 0.583 kilojoules

8 0
3 years ago
Another term for natural radioactive decay into another element is
Musya8 [376]

Answer:

The process of unstable (or radioactive) atoms becomes stable by emitting radiation. This event over time is called radioactive decay. Alpha decay results in the loss of two protons and two neutrons from the nucleus

6 0
3 years ago
Read 2 more answers
I need this answered!!For a testtt!!!!!!!
DanielleElmas [232]
I can’t see the question
7 0
3 years ago
The forces exerted on an object are shown.
marusya05 [52]

Answer:

The object moves up.

Explanation:

I think that's the answer because since F was up that would cause 5 N . To go up.

Tell me if I'm wrong, plz :D

7 0
3 years ago
Read 2 more answers
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