In the investigation of the electronic absorption spectrum of a particular element, it is found that a photon having a wavelength of 500nm provides just enough energy to promote an electron...

In the investigation of the electronic absorption spectrum of a particular element, it is found that a photon having a wavelength of 500nm provides just enough energy to promote an electron...

How do I solve this AP Chemistry problem?

The reaction occurs at 900 mmHg and the formula for the reaction is: C2H5OH+O2===> CO2+H2O

What volume will 1.23g of CO2 occupy at 45°C and 678 mmHg?

i need to know the velocity of the man that has ran a 5k in 32 minutes in meters/

Suppose that a spring has a natural length of 20 cm, and that 7 J of work is needed to stretch from a length of 30 cm to 50 cm. How far beyond its natural length will a force of 28 N keep the spring...

a) a 0.50 kg ball thrown straight up with a velocity of 30 m/s. b) a 2000 kg railway car moving south at 10 m/s. c) an electron of mass, 9.1 x 10-31 kg moving at a velocity of 1 x 107 m/s...

How far would you have to stretch a 150n/m spring so that it applies a 30n force?

i realy needhelp with this problem

Physics

can to have exactly the same height?

Physics

o that there is a surface area in contact with the road. The gauge pressure of the air in the tire is 1.87 105 Pa (27.115 lb/in2). Find the area of contact, assuming that the only forces on the section...

nail has a radius of 0.500 mm. (b) Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 5.60 N.

A 20.0 g bullet traveling at 259 m/s is fired into a 0.411 kg wooden block anchored to a 101 N/m spring. How far is the spring compressed? If the speed of the bullet...

The velocity of a simple harmonic oscillator is given as v = -5.30 sin(21.5 t) (mks units). What is its angular frequency? What is the amplitude of the motion? Where is the...

The function to be integrated is the following: f(x)=(√x)/(x2 + ln(1+x)) In addition to this we were asked to confirm if the function converges or not. When plotted it is...

According to the law of refraction, light passing from air into a piece of glass at an angle of 30 degrees will cause the light to A. bend away from the normal line. B. bend...

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Please answer tonight (Dec. 2) by 6:30 EST. Thank You.

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