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Bingel [31]
2 years ago
9

Atoms in a liquid have _________ energy than atoms in a solid, so the easiest way to change a solid to a liquid is to add ______

___. when changing from a solid to a liquid, there is a magic temperature for every substance called the ________________________________________.
Chemistry
1 answer:
Nitella [24]2 years ago
4 0
More,
heat/ energy,
melting point
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The nutrition label on a bottle of cola reports that a 8.0 fl oz serving contains 25 g of sugar. How many kilograms of sugar are
Sedbober [7]

Answer:

0.21 kg  

Step-by-step explanation:

      Volume of cola = 2.0 L × (33.8 fl oz/1L)

                                = 67.6 fl oz

     Grams of sugar = 67.6 fl oz × (25 g sugar/8.0 fl oz)

                                = 210 g sugar

Kilograms of sugar = 210 g × (1 kg/1000 g)

                               = 0.21 kg

7 0
2 years ago
4. Refer the table given below to answer the questions fon Electronic configuration Element Atomic number 11 R 19 2,8,1 2,8,8, 1
denpristay [2]

Answer:

The electronic configuration of the element with Atomic number 19 is 2,8,8,1. The element is potassium. It is an alkali metal with one valence electron.

7 0
3 years ago
How do sound waves travel? PLEASE HELP IF YOU WANT BRAINLEIST AND ME TO LIKE URE COMMENT!!
irina1246 [14]

The answer is A. The vibration caused by the waves through the air eventually weaken, which is why sound diminishes easily over distance.

8 0
2 years ago
What is the number of electron and neutron protons in atom 35?
Fittoniya [83]
The mass number = protons + neutrons. Bromine has a mass number of 80<span> and 35 protons so </span>80<span>-35 = </span>45<span> neutrons. b) How many electrons does the neutral atom of bromine have? The neutral atom of bromine has 35 electrons because the number of electrons equals the number of protons.</span>
6 0
3 years ago
Why are covalent bonds between hydrogen and nitrogen or oxygen polar?
yaroslaw [1]

Answer:

The answer to your question is below

Explanation:

Covalent bonds are bonds between to atoms that share a pair of electrons, there are three kinds of covalent bonds but I'll describe only two:

Covalent non polar bond: is a covalent bond between two elements of the same element. Ex two hydrogens, two chlorine, two oxygenes, etc.

Covalent polar bond: is a covalent bond between 2 elements of different elements, for example: hydrogen and chlorine or nitrogen, they are polar because on of the element that form it is smaller than the other one, then a partial positive and a partial negative charge is formed.

6 0
2 years ago
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