livejohn livejohn

19-07-2017
Chemistry

contestada

1. A substance has a volume of 2.6 × 10-1 m3 and a mass of 210 g. Determine the density of the sample and express your results in kg/m3 with appropriate scientific notation. Make sure to show all work.

Respuesta :

abdurrafay360 abdurrafay360

19-07-2017

210 g=2.1x10^-1 kg
SO
Density=mass÷volume
density=2.1x10^-1÷2.6x10^-1
density=21/26 or 0.8076923077 kg/m³

Answer Link

Otras preguntas

EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

The radius of a circle is 3 in. Find its area to the nearest tenth.

Solve each problem by forming a pair of simultaneous equations:Find two numbers with a sum of 15 and a difference of 4.

Jake is going to call one person from his contacts at random he has 30 total contacts 16 of those contacts are people he met at school what is the probability o

4. Find the volume of the given solid bounded by the elliptic paraboloid z = 4 - x^2 - 4y^2, the cylinder x^2 + y^2 = 1 and the plane z = 0. 5. Sketch the regio

From a standard 52 deck of cards, find the probability that you draw a heart on the first draw, replace it, and then draw a diamond on the second draw. Leave yo

calculate the total amount to be paid back if there is an interest of N7,560 on N107, 500

An article presents a study that investigated the effect of varying the type of fertilizer on the height of certain Mediterranean woody tree species. In one exp

A triangle has a height that is 5 units shorter than its base. If b represents the base and h represents the height, which of the following equations represent

School X and school Y play eacb other in a competition. School X has eight more points than school Y. School X has three times as many points as school Y. How m