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svp [43]
3 years ago
12

Which statement is false

Chemistry
2 answers:
V125BC [204]3 years ago
8 0

Answer:

B

Explanation:

Iteru [2.4K]3 years ago
8 0

Answer:

B - O has a higher ionization engery then P

Explanation:

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Which choice is an example of an endothermic process?
77julia77 [94]

Answer: conversion of ice to steam

Explanation: Endothermic process is one in which energy is absorbed by the system.

Conversion of ice to steam is change of solid phase to gaseous phase, thus energy is required to break the strong inter molecular forces of attraction in solids to convert it into gaseous phase.

Conversion of steam to ice, conversion of steam to water  and conversion of water to ice releases energy and are examples of exothermic processes.

7 0
3 years ago
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5 0
3 years ago
What is the molarity of the solution formed by dissolving 80. G of NAOH(s) into water to give a total volume of 4.00 l
Mrrafil [7]

Answer:

0.5 M

Explanation:

From the question given above, the following data were obtained:

Mass of NaOH = 80 g

Volume of solution = 4 L

Molarity =?

Next, we shall determine the number of mole in 80 g of NaOH. This can be obtained as follow:

Mass of NaOH = 80 g

Molar mass of NaOH = 23 + 16 + 1

= 40 g/mol

Mole of NaOH =?

Mole = mass / molar mass

Mole of NaOH = 80 / 40

Mole of NaOH = 2 moles

Finally, we shall determine the molarity of the solution. This can be obtained as follow:

Mole of NaOH = 2 moles

Volume of solution = 4 L

Molarity =?

Molarity = mole / Volume

Molarity = 2/4

Molarity = 0.5 M

Therefore, the molarity of the solution is 0.5 M.

3 0
3 years ago
Org. chem. How is this "1-aminopropan-2-ol" and not "3-aminopropan-2-ol"
MatroZZZ [7]
You want to achieve the lowest number possible
Because <span>3-aminopropan-2-ol is bigger than </span><span>1-aminopropan-2-ol number wise, so you should name it as </span>1-aminopropan-2-ol
3 0
3 years ago
What did you observe about the properties of the sodium carbonate mixture before the substances were mixed together?
anzhelika [568]

Answer:

Would you consider adding a sodium carbonate solution to a magnesium sulfate .

Explanation:

??

5 0
2 years ago
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