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2 years ago

Zootopia movie: Why is Judy Hopps placement at the police academy so unusual?

Chemistry

1 answer:

kondaur [170]2 years ago

8 0

Answer:

down below

Explanation:

Judy Hopps was one of the smaller prey animal while the others were predators or bigger prey animals. Meaning, she was tiny and in some minds, was easier to take down or may not be able to do the job as well as the bigger animals. Also, she was, less noticeably, the only female prey animal.

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How many moles are in 50 grams of cobalt? <br><br> help asapp

sammy [17]

hey there!

atomic mass cobalt = 58.9332 amu

therefore:

1 mol Co ------------ 58.9332 g

moles ------------ 50 g

moles = 50 x 1 / 58.9332

moles = 50 / 58.9332

= 0.8484 moles of Co

Hope this helps!

3 0

3 years ago

How many Oxygen atoms are in 2NA(OH)3

Dmitry [639]

Answer:

3 oxygen atom

hope it helps.

4 0

3 years ago

Read 2 more answers

For the following reaction if you have 13.2g of CO and 42.7g of Fe2O3, which is the limiting reagent with regards to the Fe prod

MrRissso [65]

Answer: CO is a limiting reagent with regards to the Fe production.

Explanation:

$Fe_2O_3(s)+3CO(g)\rightarrow 2Fe(s)+3CO_2(g)$

Moles of CO = $\frac{\text{mass of CO}}{\text{molar mass of CO}}=\frac{13.2 g}{28 g/mol}=0.4714 mol$

moles of $Fe_2O_3=\frac{\text{mass of} Fe_2O_3}{\text{molar mass of}Fe_2O_3}=\frac{42.7 g g}{159.7 g/mol}=0.2673 mol$

According to reaction , 3 mole of CO reacts with 1 mole of $Fe_2O_3$ then , 0.4714 moles of CO will react with : $\frac{1}{3}\times 0.4714$ moles of $Fe_2O_3$ that is 0.1571 moles.

0.4714 moles of CO will react with 0.1571 moles of $Fe_2O_3$ which means that CO is present in limited amount acting as limiting reagent.

Mole remaining of $Fe_2O_3$ = 0.2673 mol - 0.1571 mol = 0.1102 mol

Hence, CO is a limiting reagent and $Fe_2O_3$ is an excessive reagent.

8 0

4 years ago

How many grams of nitric acid will react completely with a block of iron metal that is 4.5 cm by 3.0 cm by 3.5 cm, if the densit

denpristay [2]

Balance the equation first:

2 Fe+6 HNO3→2 Fe(NO3)3+3H2

Then calculate mass of Iron :

4.5×3.0×3.5 cm3(1 mL1 cm3)(7.87 g Fe1 ml)=371.86 g Fe

Now use Stoichiometry:

371.86 g Fe×(1 mol Fe55.85 g Fe)×(6 mol HNO32 mol Fe)=19.97 mol HNO3

Convert moles of nitric acid to grams

19.97 mol HNO3×(63.01 g HNO31 mol HNO3)=1258.3 g HNO3

7 0

3 years ago

Read 2 more answers

Which of the following is TRUE about when two atoms form a bond? a. Repulsion is greater than attraction b. Neither atoms will h

mixer [17]

Answer:

b: Neither atoms will have a full valence shell

Explanation:

I think sooo

8 0

3 years ago