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ki77a [65]
3 years ago
6

People in the United States know that water boils at 212 degrees Fahrenheit. In Europe, people know that water boils at 100 degr

ees Celsius. Is the water in the U.S. different than the water in Europe? What explains the two different temperatures?
Chemistry
1 answer:
snow_tiger [21]3 years ago
4 0
No, the water is not different it is just that the units of measurement in the US is different then those units in Europe. This is similar to how the US uses miles and Europe uses kilometers

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What is the limiting reactant and theoretical yield if 0.483 mol of Ti and 0.911 mol Clare used in this reaction: Ti + 2Cl2 → Ti
Mariana [72]

Answer : The limiting reactant is Cl_2 and the theoretical yield will be 86.45 grams.

Explanation : Given,

Moles of Ti = 0.483 mole

Moles of Cl_2 = 0.911 mole

Molar mass of TiCl_4 = 190 g/mole

First we have to calculate the limiting and excess reagent.

The given balanced chemical reaction is,

Ti+2Cl_2\rightarrow TiCl_4

From the balanced reaction we conclude that

As, 2 moles of Cl_2 react with 1 mole of Ti

So, 0.911 moles of Cl_2 react with \frac{0.911}{2}=0.455 moles of Ti

From this we conclude that, Ti is an excess reagent because the given moles are greater than the required moles and Cl_2 is a limiting reagent and it limits the formation of product.

Now we have to calculate the moles of TiCl_4.

As, 2 moles of Cl_2 react to give 1 moles of TiCl_4

So, 0.911 moles of Cl_2 react to give \frac{0.911}{2}=0.455 moles of TiCl_4

Now we have to calculate the mass of TiCl_4.

\text{Mass of }TiCl_4=\text{Moles of }TiCl_4\times \text{Molar mass of }TiCl_4

\text{Mass of }TiCl_4=(0.455mole)\times (190g/mole)=86.45g

Therefore, the theoretical yield will be 86.45 grams.

4 0
3 years ago
At 45.2 L cylinder containing C2H2F4 at a pressure of 3.00 atm is connected by the valve to 4060 mL cylinder containing N2H4 at
puteri [66]

The partial pressure of the N2H4 gas  is 1.50 atm.

<h3>Dalton's law of partial pressure</h3>

From the Dalton's law of partial pressure, the total pressure of a mixture of gases is the sum of the individual partial pressures of all the gases present in the mixture.

We have the following;

C2H2F4  =  3.00 atm

N2H4 = c

Total pressure = 3.00 atm + 1.50 atm = 4.50 atm

Hence, the partial pressure of the N2H4  is N2H4.

Learn more about partial pressure: brainly.com/question/14623719

7 0
2 years ago
5. Explain the difference between a molecular<br> element and a molecular compound.
n200080 [17]

Answer:

is that in a molecule of an element, all the atoms are the same. For example, in a molecule of water (a compound), there is one oxygen atom and two hydrogen atoms. But in a molecule of oxygen (an element), both of the atoms are oxygen.

Explanation:

3 0
3 years ago
Read 2 more answers
Barium has a body-centered cubic structure. If the atomic radius of barium is 222 pm, calculate the density of solid barium?
Flauer [41]

Answer: density =3.377g/cm³

Explanation:

Density =( molecular weight × effective number of atoms per unit cell) / (volume of unit cell × avogadro constant)

D= (M ×n) /(V×A)

M= 137g/mol

n= 2 (For BCC)

V=a³ , where a= 4r/√3

a= (4×222)/√3

a=512.69pm

a= 512.69×10^-10cm

V= ( 512.69×10^-10)^3

V= 1.3476×10^-22cm³

D= (137×2)/(1.3476×10^-22 × 6.02^23)

D= 3.377g/cm³

Therefore the density of barium is 3.377g/cm³

5 0
3 years ago
Atoms: SC.8.P.8.7
WARRIOR [948]

Answer:

1 = D

2 = C

3 = A

4 = F

5 = G

6 = B

7 = E

4 0
2 years ago
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