Answer:
Explanation:
The products of a chemical reaction have different properties than the reactant because they underwent a chemical change by definition of a chemical reaction. The products are new combinations atoms forming different molecules.
Answer:
3) 6.94 moles Li
Explanation:
I'm not completely sure but I think this is the right answer
80.1 g* (1 cm^(3)/ 2.70 g)= 29.666666... cm^(3).
The calculated volume should have 3 significant figures, so the final answer is 2.97*10^(1) cm^(3)
Hope this helps~
Answer:
![\boxed {\boxed {\sf A. \ 38.1 \%}}](https://tex.z-dn.net/?f=%5Cboxed%20%7B%5Cboxed%20%7B%5Csf%20A.%20%5C%2038.1%20%5C%25%7D%7D)
Explanation:
Percent yield is the ratio of the amount actually produced to how much could theoretically be produced. It is found using this formula:
![\% \ yield = \frac{actual \ yield}{theoretical \ yield} *100](https://tex.z-dn.net/?f=%5C%25%20%5C%20yield%20%3D%20%5Cfrac%7Bactual%20%5C%20yield%7D%7Btheoretical%20%5C%20yield%7D%20%2A100)
For this reaction, the theoretical or expected yield is 325.0 grams. The actual yield is 123.8 grams.
![\% \ yield = \frac{ 123.8 \ g }{325.0 \ g }*100](https://tex.z-dn.net/?f=%5C%25%20%5C%20yield%20%3D%20%5Cfrac%7B%20123.8%20%5C%20g%20%7D%7B325.0%20%5C%20g%20%7D%2A100)
Divide.
![\% \ yield = 0.380923077 *100](https://tex.z-dn.net/?f=%5C%25%20%5C%20yield%20%3D%200.380923077%20%2A100)
![\% \ yield = 38.0923077](https://tex.z-dn.net/?f=%5C%25%20%5C%20yield%20%3D%2038.0923077)
Round to the nearest hundredth. The 9 in the hundredth place tells us to round the 0 to a 1 .
![\% \ yield \approx 38.1](https://tex.z-dn.net/?f=%5C%25%20%5C%20yield%20%5Capprox%2038.1)
The percent yield is about <u>38.1%</u>