How many atoms are in 167 g of calcium?

What is the net ionic equation for the reaction of solid iron with aqueous copper sulfate?

There are many lewis structures you could draw for sulfuric acid, h2so4 (each h is bonded to an o). part a what lewis structure (s) would you draw to satisfy the octet rule?

What's are some real life applications of viscosity?

If the take off velocity of an airplane on a runway is 300 km / hr with an acceleration of 1 m/s2. What is the take off time of the airplane?

If 15 grams of an organic solid is dissolved in 80 mL of water, how many grams remain in the water after extraction with 50 mL of a solvent which has a partition (distribution) coefficient with water of 8? Show calculations.

What is the mass number of an ion with 107 electrons, 157 neutrons, and a 1 charge?

Which of the following is true about compounds

According to the chart, which substance has the lowest OH' concentration? A) urine lemon juice tomato juice D) black coffee

23 Which term identifies the half-reaction that occurs at the anode of an operating electrochemical cell? (1) oxidation (3) neutralization (2) reduction (4) transmutation

Which of the following is true? A) Gas atoms subjected to electricity emit bright lines of light. B) Gas atoms absorb white and emit a continuous spectrum of light. C) Gas atoms under high pressure emit dark lines against a continuous spectrum.