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mote1985 [20]
4 years ago
15

What two factors are multiplied to determine wave speed?

Chemistry
1 answer:
madam [21]4 years ago
7 0

The speed of a wave is dependant on four factors: wavelength, frequency, medium, and temperature. Wave speed is calculated by multiplying the wavelength times the frequency (speed = l * f).

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If apples are $.67/lb, what is the cost of 2.5 kg of apples?
Varvara68 [4.7K]

Answer:

The cost would be $1.68

Explanation:

I found the answer by multiplying

.67x or .67lb with 2.5, getting $1.68

8 0
3 years ago
Read 2 more answers
PLEASE HELP ME
Dmitriy789 [7]
Hello!

The ball took up 2,9L

To solve this problem, we should apply the ideal gas law and clear for n (the number of moles), as this value doesn't change when Devin takes the ball to the garage:

n= \frac{P1*V1}{RT1}=\frac{P2*V2}{RT2}

Now, we should clear this equation to find V2, as this is the value we are looking for:

V2= \frac{P1*V1*T2}{P2*T1}= \frac{400kPa*3L*250K}{350kPa*300K}=2,857L≈2,9L

Have a nice day!
6 0
3 years ago
Bond length is the distance between the centers of two bonded atoms. on the potential energy curve, the bond length is the inter
Alisiya [41]

Answer:Hence, the bond length in HCl is 125 pm.

Explanation:

Bond length : It is an average distance between the nuclei of two bonded atoms in a molecule.

Also given that bond length is the distance between the centers of two bonded atoms. on the potential energy curve, the bond length is the inter-nuclear distance between the two atoms when the potential energy of the system reaches its lowest value. Beyond this if atoms come closer to each other then their will be repulsion between them.

So, the bond length between the Hydrogen and Chlorine atom in HCl molecule is :

Bond length=radius _{hydrogen}+radius_{chlorine}=25pm+100pm=125pm

Hence, the bond length in HCl is 125 pm.

5 0
3 years ago
Read 2 more answers
Why would "not flammable" be a chemical property rather than a physical property ?
Dmitrij [34]
When something is flammable, it burns and burning is a chemical property since the compounds are being broken down and gas is released. If something is non-falammable, it would then be a chemical property as well since the chemical makeup would not be broken by a flame. (I apologize if my answer is a bit broad or unspecific)
4 0
3 years ago
Which of the alkaline-earth metals has the smallest ionization energy?
gulaghasi [49]

Answer:

Cesium

Explanation:

3 0
3 years ago
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