Write formulas for the following compounds: potassium iodine, phosphorus pentachloride, magnesium hydroxide, aluminum sulfate, dichlorine heptoxide, and calcium nitrate trihydrate.

A ship can carry more load than aeroplane of same size. why?

Which of the following is not a compound? a. sugar B. water c. salt d. gold

What is transmission of sound?

You drop a 6.0x10^-2 kg ball from height of 1.0m above hard flat surface. Ball strikes surface and energy decreases by 0.14J, then bounces upward. How much kinetic energy does the ball have just after it bounces off the flat surface?

The following is a limitation of a bar chart schedule. a. Scheduling information is presented at a summary level b. activity interrelations are not considered c. ease of preparation d. ease of interpretation e. None of the above

5. The number of bonds an atom can form is represented in an electron dot diagram by A. pairs of dots B. unpaired dots C. total number of dots

A resistor has a current of 2 amperes when connected to a single battery. If a second identical battery is connected in series with the first, what is the current through the resistor? a) Still 2 amps b) 4 amps c) 1 amp d) no current

Describe some basic guidelines for safe PRE

Why is the liver important in digestion

A building 190 feet tall casts a 30 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree) ?