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snow_tiger [21]
3 years ago
9

What is another name for a compound known as a salt? Molecule Covalent compound Element Ionic compound

Chemistry
1 answer:
emmainna [20.7K]3 years ago
5 0
Take a look at their electronegativity values for this one. Electronegativity is the relative attraction  that a atom in a molecule has for the shared pair of electrons in a covalent bond<span>. Salt is Sodium Chloride which is NaCl. Na has an electronegativity value of 0.93. Cl has an electronegativity value of 3.16. The difference between the two is 2.23. This is much higher than 1.7 (a pure covalent bond e.g. Oxygen-Oxygen bond O2) therefore it is a highly ionic compound. If this was less than 1.7 it would be a polar covalent molecule. </span>
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What is this reaction CaSO4--&gt; CaO+SO3
Anvisha [2.4K]
The reaction where one component splits into two or more is a decomposition reaction.
8 0
4 years ago
Help with #3 please. I’ll mark brainly
Len [333]
The control Group

The control group is the group of mold spores that were not exposed to ultraviolet light, left in the darkness and as such were not altered. Control groups are not altered and serve as some form of measurement of the experimental group. The experimental group is the mold spores group exposed to ultraviolet light and observed to note the difference between it and the control group
8 0
3 years ago
Read 2 more answers
At 25°C and 1.0 atm, 0.84 g of a gas dissolves in 2.00 L of water. What mass of the gas dissolves
UNO [17]

The mass of the gas dissolved in 1.00 L of water at 25°C and 3.0 atm is equal to 1.26 grams.

<h3>How to determine the mass of the gas dissolved?</h3>

In order to determine the mass of the gas dissolved, we would the calculate the new (final) solubility of this gas by applying this formula:

S₁P₂ = S₂P₁

Making S₂ the subject of formula, we have:

S₂ = (S₁P₂)/P₁

S₂ = (0.42 × 3.0)/1.0

S₂ = 1.26 g/L.

Now, we can determine the mass:

Mass = solubility × volume

Mass = 1.26 × 1.00

Mass = 1.26 grams.

Read more on solubility here: brainly.com/question/3006391

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5 0
2 years ago
_265Hs---&gt;_16O+_9Be=_____?
madam [21]

Answer:

265hs+24.464536b+16o

Explanation:

265hs+16o+9b(2.718282)

=265hs+16o+24.464536b

=265hs+24.464536b+16o

5 0
3 years ago
A 1.85 kg textbook is sitting on a bookshelf 2.23 m above the floor. How much potential energy does it have?
neonofarm [45]

Answer:

\boxed {\boxed {\sf 40.4299 \ Joules}}

Explanation:

Potential energy is energy due to position. It is the product of mass, height, and acceleration due to gravity.

PE= m \times g \times h

The mass of the textbook is 1.85 kilograms. Assuming this is on Earth, the acceleration due to gravity is 9.8 meters per square second. The height is 2.23 meters.

  • m= 1.85 kg
  • g= 9.8 m/s²
  • h= 2.23 m

Substitute the values into the formula.

PE = 1.85 \ kg \times 9.8 \ m/s^2 \times 2.23 \ m

Multiply the first 2 numbers together.

PE=18.13 \ kg*m/s^2 *2.23 \ m

Multiply again.

PE= 40.4299 \ kg*m^2/s^2

  • 1 kilogram square meter per square second (1 kg*m²/s²) is equal to 1 Joules (J)
  • Our answer of 40.4299 kg*m²/s² is equal to 40.4299 J

PE= 40.4299 \ J

The textbook has <u>40.4299 Joules of potential energy.</u>

7 0
3 years ago
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