What is the pH of a 6.7 x 10^-5 M H + solution?

As the sun gets higher in the sky, your shadow gets longer.

What's an example of a slow and a fast chemical reaction?

A gas stream contains 18.0 mol% hexane and the remainder nitrogen. the stream flows to a condenser, where its temperature is reduced and some of the hexane is liquefied. the hexane mole fraction in the gas stream leaving the condenser is 0.0500.

The graph shows the speed of a car during a trip along the highway. What can you say, in general, about the speed of the car?

9. Which of the following accurately describes circuits? A. In a series circuit, the amount of current passing through each part of the circuit may vary. B. In a series circuit, the current can flow through only one path from start to finish. C.

The distance from the sun to the earth is 1.496x10^8 km. How long does it take light to travel from the sun to the earth

10. Airbags in automobiles contain the compound sodium azide, NaN3. A crash triggers the decomposition reaction of NaN3 to produce nitrogen gas, which causes the airbag to inflate. How many grams of NaN3 are required to produce 90.

Using the following formula 4HF+S1O2>S1F4+2h2o How many moles of HF will react completly with 9.0 moles ofFIO2?

Which of the compounds above are strong enough acids to react almost completely with a hydroxide ion (pka of h2o = 15.74) or with a bicarbonate ion (pka of h2co3 = 6.37) ?

When an ionic bond is formed, what type of atom is likely to lose one or more electrons?