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bagirrra123 [75]
3 years ago
12

How much momentum does a 2000kg elephant have that is charging at 11m/s

Chemistry
1 answer:
Novay_Z [31]3 years ago
6 0

Answer:

P = 22000 kg. m/s

Explanation:

Given data;

Mass of elephant = 2000 Kg

Velocity = 11 m/s

Momentum = ?

Solution:

Momentum is the product of mass and velocity of an object.

It can be calculated from given formula:

P = mv

P = momentum

m = mass

v = velocity

Now we will put the values in formula.

P = 2000 Kg × 11 m/s

P = 22000 kg. m/s

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PLEASE HELP!!!!!!
pogonyaev

Answer:

m_{B}^{theoretical}=0.365gB

Y=87.1\%

Explanation:

Hello there!

In this case, since the reaction (A->B) have an initial amount of pure 4-aminobenzoic acid, the first step to compute the theoretical yield is to solve the following stoichiometric setup:

m_{B}^{theoretical}=0.303gA*\frac{1molA}{137.14gA}*\frac{1molB}{1molA}*\frac{165.19 gB}{1molB}\\\\   m_{B}^{theoretical}=0.365gB

Whereas A stands for 4-aminobenzoic acid and B for the benzocaine. Moreover, we compute the percent yield by dividing the actual yield (0.318 g) by the theoretical one (0.365 g):

Y=\frac{0.318g}{0.365g} *100\%\\\\Y=87.1\%

Best regards!

4 0
2 years ago
1. Ethers show :
tatuchka [14]

Answer:

1.(a

2.(d

3.b

Explanation:

3 0
3 years ago
The lone pair of electrons in ammonia allows the molecule to: A.assume a planar structure. B.act as an oxidizing agent. C.act as
serious [3.7K]

Answer:

The correct option is: D.act as a Lewis base in water.

Explanation:    

Ammonia is a hydride of nitrogen with the chemical formula NH₃. It is a colorless gas with a characteristic pungent smell. According to the VSEPR theory, it has a trigonal pyramidal structure.  

In water, ammonia acts as a Lewis base due to the presence of lone pair on the nitrogen atom. Lewis bases are electron pair or lone pair donors.      

8 0
3 years ago
How many moles of AgCl2 are in 5.78x1024 molecules of AgCl2?
Zolol [24]

Answer:

9.6 mol AgCl2

Explanation:

You have to use Avogadro's number: 6.023 x 10^23

5.78 x 10^24 molecules (1 mol AgCl2/ 6.023 x 10^23 molecules) =9.6 mol AgCl2

3 0
3 years ago
Protozoan infection is not likely to be transmitted by:
anygoal [31]
Hi! 

The answer is breathing.

Protozoans are organisms that can multiply themselves in humans, and serious infections can develop from one organism. The most frequently transmission methods are contaminated food or fecal contact. Dog bites inoculate bacteria into deep tissue, and they also serve as a transmission method.

Breathing
is not considered to be likely to transmit protozoan infection because protozoans rarely develop in the respiratory tract.
6 0
3 years ago
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