3 years ago

Which of the following is the car average speed?

Chemistry

1 answer:

kap26 [50]3 years ago

4 0

Answer:

it would be 100 km/hr

Explanation:

if you divide each speed by the time you get 100 each time

You might be interested in

When an electron in a 2p orbital of a particular atom makes a transition to the 2s orbital, a photon of approximate wavelength 6

Mariulka [41]

Answer:

The energy difference between these 2p and 2s orbitals is $3.07\times 10^{-19} J$

Explanation:

Wavelength of the photon emitted = $\lambda =646.3 nm =646.3\times 10^{-9} m$

Energy of the photon will corresponds to the energy difference between 2p and 2s orbital = E

Energy of the photon is given by Planck's equation:

$E=\frac{hc}{\lambda }$

h = Planck's constant = $6.626\tiomes 10^{-34} Js$

c = Speed of the light = $3\times 10^8 m/s$

$E=\frac{6.626\tiomes 10^{-34} Js\times 3\times 10^8 m/s}{646.3\times 10^{-9} m}$

$E=3.07\times 10^{-19} J$

The energy difference between these 2p and 2s orbitals is $3.07\times 10^{-19} J$

3 0

3 years ago

A compound contains 72% magnesium and 28% nitrogen. What is its empirical formula?

SashulF [63]

So the empirical formula is Mg3N2

7 0

3 years ago

What is C6H5 called?

zysi [14]

C6H5 is the molecular formula for Phenyl.

5 0

3 years ago

Read 2 more answers

How many moles are in 4.85 x 10^25 atoms of carbon?

Serjik [45]

Answer:

4.85 x 10^25

Explanation:

thats what i was told by a calculator

6 0

3 years ago

Which scientist was the first to use the telescope in astronomy? Copernicus Newton Kepler Galileo

coldgirl [10]

The scientist that was the first to use the telescope in astronomy was Newton

8 0

3 years ago