A chemist in a galaxy far, far away performed the Millikan oil drop experiment and got the following results f? 1.64 10-12 zirkombs 4.92 10-12 zirkombs Use these data to calculate the probable charge of the electron in zirkombs.

Indications of a chemical change include light, heat, and gas production.

Sea gulls prey on snails on the rocky sea coast. The snails vary in color from solid brown to brown and tan striped. The birds suck the soft snail bodies out of the shells and leave the shells behind on the rocks.

Which of these may be affected by solar storms? automobile production microwave speed radio signals thunderstorm patterns

Which process is an example of a physical change? Electricity breaks down water into hydrogen and oxygen gases. Limestone breaks down into lime and carbon dioxide when heated. Carbon combines with oxygen to form carbon dioxide gas.

What observation led chadwick (and rutherford) to conclude there must be something besides just the proton in the nucleus of atoms?

Will mark branliest. Calculating percent yield: For the reaction Cu + 2AgNO3 → Cu (NO3) 2 + 2 Ag, adding 127 grams of copper to lots of silver nitrate yields 410 grams of silver. What is the percent yield of silver? I'm desperate.

Which of the following are considered strong bases? That is, they are capable of doing E2 reactions. (choose all that apply) Hydroxide, OH- Ammonia, NH3 Water, H20 ОMethanol, Снзон Methoxide, CH30- Cyanide, CN- Amide, NH2-

Describe an experiment to show that zinc is more reactive than copper

The lower the ignition temperature, better the fuel. True or false? Why?

MATH. Tom bought 15 party hats priced at 3 for $0.65 and 56 noisemakers priced at 7 for $1.25. What was the total cost of the hats and noisemakers, not including tax? A. $9.75 B. $8.75 C. $10.70 D. $13.25