bruceallday2323 bruceallday2323

06-09-2017
Chemistry

contestada

A gold colored ring has a mass of 18.9 grams and a volume of 1.12 mL. Is the ring pure gold? (The density of gold is 19.3 g/mL.)

Respuesta :

16-09-2017

Use the formula Density = mass / volume D= M/V M= 18.9 gm , V=1.12 mL, D= 1.12 gm/ mL But If we divide mass / voulme M / V = 18.9 / 1.12 = 16.875gm /mL So the ring is not made of pure gold as the density of gold is 19.3gm /mL

Answer Link

Otras preguntas

A researcher determined the amount of ducks that were in a pond over a four-year time span. The results are shown in the table below. Year 1, 2, 3, 4 Ducks 64,

How did McClellan feel the US could win the war?

'Could I love you any more' Is this sentence grammatically correct?

The two sides of the triangle are 6 cm and 12 cm and the included angle is 60°. What's the measure of the third side.A. 6.7B. 8.5C. 10.4D. 12 5

A city park commission received a donation of playground equipment from a parents' organization. The area of the playground needs to be 256 square yards for the

Which point on the y-axis lies on the line that passes through point C and is perpendicular to line AB? O(-6,0) O (0, -6) O (0, 2) O (2,0)

How many eggs are present in one mole of eggs?

Superposition of two wave crests produces ____ interference. Constructive Destructive

Animals must digest food once it's consumed. The diagram shows the steps involved in which type of digestion? A. Intracellular digestion B. Extracellular

which of the following did Alexander Hamilton do ? he wrote a pamphlet titled Common Sense he served under George Washington in the Continental Army he was a