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salantis [7]
3 years ago
11

Calculate the molar mass of the following compound: Ca3P2

Chemistry
1 answer:
julia-pushkina [17]3 years ago
6 0

Answer:

The molar mass of the compound given is 182.182 g/mol.

Explanation:

To calculate the molar mass of the compound, we must multiply the number of moles of each element by the the individual molar mass of each element and add them together.

Let's start with Calcium.  The molar mass of Calcium is 40.078.  In this compound, we have three moles of Calcium, so we should multiply this number by 3.

40.078 g/mol * 3 mol = 120.234 g

Now, let's do the same for Phosphorus.

30.974 g/mol * 2 g/mol = 61.948 g

To find the molar mass of the entire compound, we should add these two values together.

120.234 g + 61.948 g = 182.182 g

Therefore, the correct answer is 182.182 g/mol.

Hope this helps!

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Draw the product formed when cyclohexene is reacted with H2 in the presence of Pt. Note: If adding hydrogen atoms to a carbon at
tigry1 [53]

Answer:

It has been drawn and uploaded as an attachment. Please download it to see the structure.

Explanation:

The product formed as a result of the reaction of cyclohexene with H2​ in presence of Pt (platinum) can be described as catalytic hydrogenation. Catalytic hydrogenation is defined as the process of hydrogen addition in the presence of a catalyst, which in this case is platinum.

Note that Cyclohexene (alkene) is a hydrocarbon molecule represented by the chemical formula, C6​H10​ .

It consists of a double bond. During the hydrogenation reaction, the alkene undergoes an addition reaction to give alkane which is a saturated hydrocarbon as the product.

The first step in order to derive the product is to draw the chemical structure of cyclohexene and identify the double bond present in it.

The final product can be derived by replacing the double bond with the single bond and satisfying all the valences of the carbon atom. The final product structure has been drawn and uploaded as an attachment. Please download it to see the structure.

Ans:

The structure of the cyclohexane thus, formed has been shown as follows with all the hydrogen atoms:

3 0
3 years ago
Two<br>moin tunetons of carbohydraus​
inn [45]

Answer:

Carbohydrates can be divided into two main types: simple and complex. Simple carbohydrates are made up of just one or two sugar units, whereas complex carbohydrates are made up of many sugar units.

7 0
3 years ago
Which sphere would this be found in?
andre [41]
That is correct…….. i think
8 0
3 years ago
Read 2 more answers
The half life of radium-226 is 1600 years. How many grams of a 0.25g sample will remain
myrzilka [38]

Answer:

Explanation:

half life = 1600 years .

m = M  x ( \frac{1}{2} )^n

m is mass of the radioactive object after n half lives , M is original mass.

n = 4800 / 1600

= 4

Putting the valus of n and M we have

m = .25 x ( \frac{1}{2} )^3

= .03125 g .

4 0
3 years ago
What is the half life of a compound if 75% of a given sampleof
Contact [7]

Answer:

t_{1/2}=30.14\ min

Explanation:

Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

Where,  

[A_t] is the concentration at time t

[A_0] is the initial concentration

Given:

75 % is decomposed which means that 0.75 of [A_0] is decomposed. So,

\frac {[A_t]}{[A_0]} = 1 - 0.75 = 0.25

t = 60 min

\frac {[A_t]}{[A_0]}=e^{-k\times t}

0.25=e^{-k\times 60}

k = 0.023 min⁻¹

Considering the expression for half life as:-

t_{1/2}=\frac {ln\ 2}{k}

Where, k is rate constant

So,  

t_{1/2}=\frac{\ln 2}{0.023}\ min

t_{1/2}=30.14\ min

5 0
3 years ago
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