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irga5000 [103]
3 years ago
15

Is a scalene triangle a right triangle

Chemistry
1 answer:
anygoal [31]3 years ago
8 0

A scalene triangle can be a right triangle, depending on if one side of the triangle is equal to 90 degrees.

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In Part A, you found the amount of product (1.80 mol P2O5 ) formed from the given amount of phosphorus and excess oxygen. In Par
Finger [1]

First step is to balance the reaction equation. Hence we get P4 + 5 O2 => 2 P2O5

Second, we calculate the amounts we start with

P4: 112 g = 112 g/ 124 g/mol – 0.903 mol

O2: 112 g = 112 g / 32 g/mol = 3.5 mol

Lastly, we calculate the amount of P2O5 produced.

2.5 mol of O2 will react with 0.7 mol of P2O5 to produce 1.4 mol of P2O5.

This is 1.4 * (31*2 + 16*5) = 198.8 g

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Water boils at 100°C at sea level. If the water in this experiment did not boil at 100°C, what could be the reason?
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Answer: The reaction is first order overall.

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Rate=k[A]^x[B]^y

k= rate constant

For the given rate law:

Rate=k[A]^1[B]^1

x = 1= order with respect to A

y =1=  order with respect to B

n =( x+y)= (1+1) = 2 = Total order

a)  If [A] is doubled, the reaction rate will increase by a factor of 2: True

Rate'=k[2A]^1[B]^1

Rate'=k[2]^1[A]^1[B]^1

Rate'=[2]^1\times Rate

Rate'=[2]\times Rate

b) The reaction is first order overall: False

The overall order is 1+1= 2.

c)  k is the reaction rate constant: True

Rate=k[A]^x[B]^y

k= rate constant

d) The reaction is first order in [B]: True

For the given rate law:

Rate=k[A]^1[B]^1

x = 1= order with respect to A

e) The reaction is first order in [A]: True

For the given rate law:

Rate=k[A]^1[B]^1

y =1=  order with respect to B

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3 years ago
Which of the following uses mechanical energy to function?
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The answer is D.windmill
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the ability of an ion depends upon its charge density comment on the statement what is essential difference between hydration an
Butoxors [25]
  • The statement that an ability of ion depends on its charge density can be understood by its relation to its definition where charge density refers to the ratio of charge of ions to its volume.
  • The main difference between hydrolysis and hydration is that hydrolysis includes the split of a water molecule whereas hydration does not always include the split of a water molecule.

<u>Explanation</u>:

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