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djyliett [7]
3 years ago
6

which field or study (organic chemistry or inorganic chemistry) includes the study of the properties and preparation of chalk?

Chemistry
1 answer:
jeka57 [31]3 years ago
3 0

Answer:the answer is d

Explanation:

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Calculate the molality of 75.0 grams of MgCl2 (molar mass=95.21 g/mol) dissolved in 500.0 g of solvent.
nordsb [41]

<u>Answer:</u> The molality of magnesium chloride is 1.58 m

<u>Explanation:</u>

To calculate the molality of solution, we use the equation:

\text{Molality}=\frac{m_{solute}\times 1000}{M_{solute}\times W_{solvent}\text{ (in grams)}}

Where,

m_{solute} = Given mass of solute (magnesium chloride) = 75.0

M_{solute} = Molar mass of solute (magnesium chloride) = 95.21 g/mol  

W_{solvent} = Mass of solvent = 500.0 g

Putting values in above equation, we get:

\text{Molality of }MgCl_2=\frac{75.0\times 1000}{95.21\times 500.0}\\\\\text{Molality of }MgCl_2=1.58m

Hence, the molality of magnesium chloride is 1.58 m

5 0
4 years ago
Read 2 more answers
Write the complete balanced equation for the decomposition of AI(CIO3)3.
OlgaM077 [116]

Answer:

2AL(ClO3)3 → 2ALCl3 + 9O2

Explanation:

3 0
3 years ago
Which block on the periodic table contains the actinide series of elements?
viktelen [127]
F BLOCK is the block on the period table that contains the actinide series of elements.

Actinide series of elements are two rows under the periodic table which include Lanthanide series and Actinide series. These are all radioactive elements and all of these are not not found in nature. All these are included in F block element.
4 0
3 years ago
Which of the following best describes the relationship between products and reactants in an endothermic reaction?
Wittaler [7]
Hello!

In an endothermic reaction, The potential energy of the products is greater than the potential energy of the reactants.

Any chemical reaction that absorbs energy is called an Endothermic Reaction. In this reactions, the reactants absorb energy from the surroundings to carry out the reaction. As a result, the products have a higher potential energy than the reactants. Photosynthesis is an example of an Endothermic Reaction, as the plant uses energy from the sun to generate the products. 

Have a nice day!
4 0
4 years ago
Choose all the right answers. The four major type of animal tissue are: A.cytoplasmic B.support C.connective D.epithelial E.musc
FromTheMoon [43]

Answer: 1. Connective Tissue 2.)Epithelial Tissue 3.)Muscle Tissue 4.)Nervous Tissue

Explanation:

8 0
3 years ago
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