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My name is Ann [436]
3 years ago
9

Which of these is a property of bases? A. They turn litmus paper blue. B. They feel sticky. C. They taste sour. D. They produce

hydrogen gas when reacted with minerals
Chemistry
2 answers:
Nataly_w [17]3 years ago
7 0

it turs the paper blue is correct!

SVEN [57.7K]3 years ago
6 0
The answer should be A, they turn litmus paper blue! 
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Match each interaction type to the correct amount of potential energy.
Zigmanuir [339]

The type of energy which is present between the repulsion interaction is the highest potential energy.

<h3>What is potential energy?</h3>

Potential energy is the amount of energy that is possess by any body with respect to the electric charge posses in that and other factors also.

  • When molecules have a high attraction force then they have the low potential energy in them.
  • When molecules have a great repulsion between them then they have the great potential energy in them.
  • And molecules have the middle amount of potential energy then they have the balanced interaction.

Hence, molecules in which repulsion interaction is present will have highest potential energy.

To know more about potential energy, visit the below link:

brainly.com/question/14427111

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2 years ago
Sheela wants to make a computer model of a land ecosystem. Part of her model simulates the chemical processes of photosynthesis
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5 0
3 years ago
Read 2 more answers
1. An atom of an elephant has atomic mass of 39 and has number of neutrons as 20 calculate protons number.
r-ruslan [8.4K]

Answer:

See Explanation

Explanation:

1) Let us recall that;

Mass number = number of protons + number of neutrons

Where;

Number of protons = ?

Number of neutrons =20

Mass number =39

Number of protons = mass number - number of neutrons

Mass of protons =39 - 20= 19 protons

2) Atomic number = 13

Number of neutrons =14

Then the mass number =13 +14 =27

The symbol of the element is 27X13

The number of protons= the number of electrons =13

The atomic number is the same as the proton number =13

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2 years ago
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3 years ago
How many moles of pentane are in 1.48x1021
vodka [1.7K]

multiply the number of each atom with its molecular mass. (see the periodic table)

5*12 + 12*1 = 72 gram per mole.

Or more accurately: 5*12.01078 + 12*1.007947 = 72.149264 g/mole

7 0
3 years ago
Read 2 more answers
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