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Flura [38]
2 years ago
5

65g of nitric acid are produced in a reaction. 2. 5g of platinum are added to the reaction vessel at the start of the reaction t

o act as a catalyst. how much platinum will there be left in the vessel at the end of the reaction?
SAT
1 answer:
boyakko [2]2 years ago
3 0

Answer:

2. 5g of platinum

Explanation:

catalyst gets the reaction going faster

its not part of the reaction

brainly.com/question/16799211

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A watch company is developing packaging for its new watch. the designer uses octagons with a base area of 30 in2 and rectangles
Bess [88]

The volume of the prototype is 300 inches cube.

<h3>How to find volume?</h3>

The volume of the prototype can be found as follows:

volume = base area × height

Therefore,

base area = 30 inches²

height = length = 10 inches.

Hence,

volume of the prototype = 30 × 10

volume of the prototype =  300 inches³.

Therefore, the volume of the prototype is 300 inches³

learn more on volume here: brainly.com/question/16214176

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8 0
2 years ago
Place the descriptions in the correct category.
grin007 [14]
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5 0
4 years ago
Read 2 more answers
There are 12 of the zodiac. how many people are needed to guarantee that at least six of these people have the same sign? your a
ElenaW [278]

Answer:es, the answer is 61. This is related to a mathematical principle called the Pigeonhole Principle, which states that if you are trying to sort  n+1  objects into k sets (where nk=r;n,k,r∈Z+), at least one set must contain at least r+1 objects. (This can be proven by proof by contradiction, but is pretty standard and so generally can just be used as justification of an answer by itself.)

For your problem, you have 12 signs of the zodiac - these are your 12 sets (so k=12). You are looking to find how many it takes before a set contains 6 objects (so r+1=6 and thus r=5). Therefore, n+1=r×k+1=12×5+1=61.

Explanation:

6 0
2 years ago
The random variable x has a normal distribution with mean 10 and standard deviation 6
Colt1911 [192]

Answer:

10-3×(6×-2)

Explanation:

i think its wrong im not sure but i give my all best in my answer

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3 0
3 years ago
What percent of the data is between 25 and 30 on the number line?.
Dafna1 [17]

Answer:

25%

Explanation:

3 0
3 years ago
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