Students planted one hundred flowers. They obscrvod the growth of their

plants once a week. Which tool could be used to record their observations?

ruler

thermometer

computer

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?