Who first proposed that matter is composed of tiny, indivisible particles?

A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane, n the mixture is 330 mm Hg and the partial pressure of the oxygen is 1.

What is the final product of a sequence of spontaneous nuclear decay reactions? a. a stable isotope b. a radioisotope c. a hydrogen atom d. a more massive atom

What family is an atom with the electron configuration s2p3 in the outer shell in?

An iceberg has a volume of 9470 ft3. What is the mass in kilograms of the iceberg? The density of ice in the iceberg is 0.92 g/cm3.

Which of the following explains the conservation of mass during cellular respiration? The total number of atoms when carbon dioxide and oxygen react stays the same when glucose and water are produced.

Which group of elements belongs to the f-block? O metalloids O inner transition metals O metals O nonmetals

When you open a bottle of a soft drink and leave it open, the drink eventually goes flat. this happens because the equilibrium between carbonic acid and carbon dioxide shifts to produce?

When you go down a group, does the tendency for a metal to react (become duller) increase or decrease?

The force of gravity on Planet B is 3.4 m/sec2. A box weighs 34 N on Earth. What is the mass of the box? a) 3.47 kg b) 333.2 kg c) 115.6 kg d) 10 kg

Assume that 4 molecules of nitrogen and 9 molecules of hydrogen are present? after complete reaction, how many molecules of ammonia are proceded?