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hodyreva [135]
4 years ago
13

Which substance reacts with an acid to form hydrogen gas?

Chemistry
2 answers:
Katarina [22]4 years ago
7 0
A metal reacts with an acid to produce Hydrogen gas. I am sure of it
Marysya12 [62]4 years ago
4 0
Zinc reacts with non- oxidising acids to form hydrogen gas
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the element cesium forms a with the charge fill in the blank 2 . the symbol for this ion is , and the name is fill in the blank
yulyashka [42]

The element cesium forms a  positive ion with the charge +1 . The symbol for this ion is Ce⁺, and the name is cesium ion. The number of electrons in this ion is 54.

<h3>What group does the element cesium belong to in the periodic table?</h3>

Cesium belong to the Group 1A of the periodic table.

Group 1A elements are known as alkali metals.

The alkali metals react with water to form alkalis. They form ions with a positive charge of +1 by the loss of an electron.

In conclusion, cesium is an alkali metals it belongs to group 1A of the periodic table. It forms a positive ion with a charge of +1 by the loss of an electron.

Learn more about alkali metals at: brainly.com/question/25317545

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6 0
2 years ago
Researchers are investigating processes that happen during digestion. Which answer choice
zaharov [31]

Answer:

Chewing in the mouth breaks food into small pieces.

Explanation:

Hope this is one of the answer choices!

4 0
3 years ago
Fill in the blank with the correct answer to complete the sentence.
guajiro [1.7K]

Explanation:

momentum increases with an increase in mass and velocity

3 0
3 years ago
PLEASE HELP!
pogonyaev

Answer:

Q = 2.60 • 10^{3} J

Explanation:

Our specific heat capacity equation is:

Q = mC∆T

Q is the energy in joules.

m is the mass of the substance.

∆T is the temperature chance.

Let's plug in what we know.

  • We have 76.0 g of octane
  • The specific heat capacity of octane is 2.22 J/(g•K)
  • The temperature increases from 10.6º to 26.0º (a 15.4º increase)

Q = 76.0(2.22)(15.4)

Multiply.

Q = 2598.288

We want three significant figures.

Q = 2.60 • 10^{3}

or

Q = 2590 J

Hope this helps!

3 0
3 years ago
Read 2 more answers
(5 x 10 4) + (2.5 x 10 2) =<br> 2 x 10 2<br> 12.5 x 10 2<br> 0.5 x 10 6<br> 5 x 106
grin007 [14]

Answer: Anseew 89 until the sksfd Explanation:

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3 years ago
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