Which of the following is a product formed when K reacts with Cl2?

In what type of change is matter conserved? A. physical only B. chemical only C. physical and chemical

In order for scientific notation to be correct, the base must be

During an experiment, Mr. Lehman tells his students to be alert for signs that an endothermic reaction is happening. Which of the following scenarios would his students most likely observe? A test tube becomes cool to the touch.

As the temperature of a sample of gas falls from 37.8 ºC to 77.9 ºC, its pressure falls to 103.8 mm Hg. If the volume did not change, what was the original gas pressure? Select one: a. 91.9 b. 50.4 c. 120 d. 414

I have a compound that turns litmus red, and very slowly causes effervescence in bicarbonate, but only with vigorous mixing. I performed the ester test and it looked okay, but all I smell is a little of the alcohol I used.

What's the ratio of 80% hydrogen

Why is warmer near earth surface

A platinum wedding band contains 0.077 mol of platinum. How many atoms of platinum are in the 15-gram platinum wedding band?

In an ecosystem where 500,000 kcal of sunlight is available for producers, approximately how much chemical energy will be contained in secondary consumers?

Question 6 if a gas pressure gauge reads 32.0 psi, what is the pressure in inches of mercury? 165 in. hg 15.7 in. hg 65.1 in. hg 32.0 in. hg 6.19 in. hg