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Doss [256]
2 years ago
15

Need help soon as possible

Chemistry
1 answer:
anyanavicka [17]2 years ago
3 0

Answer:

The oeriodic table have 8 groups

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Someone please help! this is the last question<br>I only need help with B.<br><br>​
ludmilkaskok [199]

1. mol ratio of Al(NO₃)₃ : Na₂CO₃ = 2 : 3

2. Na₂CO₃ as a limiting reactant

<h3>Further explanation</h3>

Given

Reaction

2 Al(NO₃)₃ + 3 Na₂CO₃ → Al₂(CO₃)₃ + 6 NaNO₃

Required

mol ratio

Limiting reactant

Solution

The reaction coefficient in the chemical equation shows the mole ratio of the components of the compound involved in the reaction (reactants and products)

1. From the equation mol ratio of Al(NO₃)₃ : Na₂CO₃ = 2 : 3

2. mol : coefficient of Al(NO₃)₃ : Na₂CO₃ = 2 mole/2 : 2 mole/3 = 1 : 0.67

Na₂CO₃ as a limiting reactant (smaller)

6 0
3 years ago
What are Intensive and Extensive properties?
lianna [129]
Intensive properties are the properties which values doesnt change with the amount of mass or material that you have, example density, melting point boiling point, molecular mass

Extensive are properties that depends of how much mass or material you have. Example: mass, number of moles, volume, pressure, number of students, population, 

mass, volume, quantity (there is only one of each), color, reflect light, temperature, energy
5 0
3 years ago
The photo shows an animal called a water flea. Which level of organization is it an example of?
Citrus2011 [14]

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8 0
3 years ago
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Why is it important to use scientific notation when talking about our solar system<br> and galaxies?
IgorLugansk [536]

Answer:

The main purpose for converting numbers into scientific notation is to make calculations with surpisingly large or small numbers less complicated. Since zeros are not used to place the decimal point, all of the digits in a number in scientific notation are meaningful and easier to read. Hope this helps!

Explanation:

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Calcium hydroxide reacts with a substance to produce calcium carbonate<br>name the substance
tankabanditka [31]
Calcium Hydroxide (Ca(OH)2) reacts with the Carbon Dioxide (CO2) present in the Air to form Calcium Carbonate (CaCO3) and Water (H2O).

The equation looks something like this -->

Ca(OH)2 + CO2 = CaCO3 + H2O

3 0
3 years ago
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