R.

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Questions

The following questions were asked by visitors named R..

Which metal ion produces the light with the highest energy? a. Na+ b. Ca+ c. K+ d. Ba2+

A box contains 3 red marbles, 6 blue, and 1 white. The marbles are selected at random, one at a time, and are not replaced. Find the probability. 10. P (red and white and blue).

1. What does it mean when it says to: pour less than 10 mL of 6 M HCl into the beaker? What's the conversion for this?

Answers

The following answers were posted by visitors named R..

PV = nRT where R = 0.0821 atm.L / K.mol NH2CONH2 = (14.01)(2)+(1.01)(4)+(12.01)+(16) = 60.07 n = 500 g/60.07 g = 8.32362244049 = 8.3236 mol of NH2CONH2 = 16.6472 mol of NH3 (1.5)V = (16.6472)(0.0821 atm L / K mol)(298.15 K) (1.5)V = 407.492076028 V = 271....