One twelfth the mass of a carbon-12atom is used to define a.

Nitroglycerin (C3H5N3O9) can decompose and is represented by the following reaction: C3H5N3O9 = 6N2 + CO2 + H2O + O2 1. how much nitrogen in grams) forms when 500g of nitroglycerin decomposes? 2.

Identify a chemical reagent used in this experiment that can be used to distinguish solid CaCl2 (soluble) from solid CaCO3 (insoluble). What is the distinguishing observation?

Why firefighters don't use fire extinguishers?

Suppose you mix several liquids in a jar. After a few minutes, the liquids form layers. Is this a homogenous mixture or a heterogenous mixture? Why?

Jane observes that a shark detects its pray without actually touching it

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