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Rom4ik [11]
3 years ago
9

This statement demonstrates that ionic bonds create substances that have ________ properties than the elements that created them

.
Chemistry
1 answer:
nignag [31]3 years ago
4 0
"different" should be the word in the blank
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Please help, I’m a bit confused, lol
Mashutka [201]

Explanation:

option A skeleton system is correct option

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4 0
2 years ago
How much heat is given off when 869 g iron bar cools from 94 degrees celsius to 5
melomori [17]

Answer:

Heat given off was -34.34kJ

Explanation:

Mass of iron bar = 869g

Initial temperature (T1) = 94°C

Final temperature (T2) = 5°C

Specific heat capacity of iron (c) = 0.444J/g°C

Heat energy (Q) = Mc∇T

Q = heat energy

c = specific heat capacity

∇T = change in temperature

M = mass of the substance

Q = mc∇T

∇T = T2 - T1

Q = Mc(T2 -T1)

Q = 869 * 0.444 * (5 - 94)

Q = 385.836 * -89

Q = -34339.404J

Q = -34.34kJ

The heat given of was -34.34kJ

4 0
3 years ago
1. How is the chemical symbol of an element determined?
mr_godi [17]
The number of protons defines what element it is and also determines the chemical behavior of the element.
4 0
2 years ago
if salt and sand is mixed with distilled water, what will be the residue and what will be the filtrate?
Gnesinka [82]

Answer:

salt and sand

Explanation:it is what it is

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3 years ago
Which is a big idea of physical science?
Ivanshal [37]
Forces and Motion, Space and Time, Energy, and Nature of Matter
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Read 2 more answers
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