Which technique is used to compare ink on a suspect document?

A) thin-layer chromatography

B) infrared spectrophotometry

C) blotting with alcohol method

D) ultraviolet spectrophotometry

What is the element 3O2 name

Which object is accelerating? ⦁ A car traveling at a constant velocity around an oval shaped track. ⦁ A bicycle slowing down as it goes up a steep hill. ⦁ A skate border speeding up as he skates down a ramp. ⦁ All of the above.

a gas measured a volume of 100 ml under pressure of 740mmhg what would thr volume be under a pressure of 780mmhg with constant tempature

In the equation c2h4 + 3o2 = ? co2 + 2h2o, how many co2 molecules are needed to balance the equation?

What is the temperature in kelvin of the Xe in the balloon?

How should you measure the mass of a given powdered substance?

How many moles of gas are present if p=11 atm, V=12L, T=185k?

What is the gfm of CO2?

What is a non example of sustainability

What is potential energy? The energy of change The energy of position or composition The energy of mass or volume The energy of motion