About how many elements are found on the periodic table? Question 8 options: 25

50

110

200

Chloroform was used as an anesthetic for childbirth and surgery during the nineteenth century. Write the molecular formula of chloroform.

Design your own experiment: Factors that affect the rate of a reaction Did anybody do the lab?

If I got 25 miles of NO from an experiment and I expected 24 moles of NO what is the percent of yield

Something used to represent a complex idea or process in science

A person has a mass of 1000g and an acceleration of 20 m/s/s. What is the force on the person? A.) 20000 N B.) 2000N C.) 20N D.) 200N

What is the difference between a 1s orbital and a 2s orbital is that

Why should distilled water be used when conducting chemical tests? Select all that apply. O Distillation removes most chemicals present in tap water that could give us false results.

2. How can you use mass and volume to find density of a substance?

Grayson wants to build an inexpensive shelter at his bus stop that he can stand in when it rains. What material would be best for building a shelter that is both strong and waterproof

A sample of gas has a volume of 0.600 L at a temperature of 303 k. If the volume is increased to 0.900 L, what is the new temperature?