Chemistry » Page 74

Giuliana Melton

Chemistry

Which of the following processes is spontaneous?

A). building a house

B). launching a satellite into orbit

C). drops of dye dispersing in a clear solution

D). cleaning your bedroom

E). a ball rolling up a hill

Answer Answers (2)

Chemistry

What mass of hydrogen is produced from 5.71 mol of aluminum?

Answer Answers (1)

Chemistry

Which term represents an intermolecular force in a sample of water? * ?

Answer Answers (1)

Chemistry

Which of the following examples are the result of unbalanced forces? Select all the apply

Answer Answers (1)

Chemistry

Type one to two paragraphs describing the changes in potential and kinetic energy of the cart.

Answer Answers (1)

Chemistry

What is the percent composition of sodium (na) in baking soda

Answer Answers (1)

Chemistry

Which experimental evidence supports Ernest Rutherford's theory that the atom is mostly empty space? Positively charged particles shot into gold foil are deflected by the foil. Positively charged particles shot into gold foil are attracted to the foil. Most of the particles shot into gold foil pass straight through the foil. Radioactive particles shot into gold foil cause the gold to become radioactive.

Answer Answers (1)

Chemistry

What is the relationship between the internal energy of a substance and its particle movement?

Answer Answers (1)

Chemistry

What is simple machines

Answer Answers (2)

Chemistry

Does ch3ch2nh2 have hydrogen bonding intermolecular forces

Answer Answers (1)

Chemistry

Happened to dodo birds and tasmanian wolves

Answer Answers (1)

Chemistry

A 0.642g sample of an unknown gas was collected over water at 25.0°C and 1.04 atm. The collection cylinder contained 151.3 mL of gas after the sample was released. Find the molar mass of the unknown gas.

Answer Answers (1)

Chemistry

When the energy of a sound wave is transferred to a particle of a medium and causes it to vibrate and generate heat the sound wave is

Answer Answers (1)

Dennis Blankenship

Chemistry

Which two factors determine sound intensity? A the wave's frequency and speed B the wave's amplitude and the distance from the sound source C the wave's amplitude and speed D the wave's frequency and the distance from the sound source

Answer Answers (1)

Chemistry

The electrical wires in your home use what type of circuits?

parallel circuits

series circuits

Answer Answers (2)