raghunathrameshk12 raghunathrameshk12

01-09-2020
Chemistry

contestada

The density of helium is 0.17 g/L. What Is the mass of helium in a 5.4 L helium balloon? (2 sig figs) *

Respuesta :

jbferrado jbferrado

07-09-2020

Answer:

The correct answer is 0.92 g

Explanation:

The density is defined as the mass per unit of volume:

Density= mass/volume

From the data provided:

volume= 5.4 L

density= 0.17 g/L

Thus, to calculate the mass of helium:

mass= density x volume = 0.17 g/L x 5.4 L= 0.918 g ≅ 0.92 g

Answer Link

Otras preguntas

APR stands for Annual Proportion Ratio.

A rectangle is drawn on a coordinate grid. three of its four vertices are located points ( -1,-2), (-1,4) and (2,-2). What is the location of the fourth vertex?

A baseball travels 150 km/h. What does this measurement represent? a. time b. speed c. position d. distance

What was the treaty of Versailles?

What is meant by "the ides of March? a. an impending political event b. a crowning ceremony c. the date of this scene's action d. a battle

What is the common ratio of the geometric sequence 16, 24, 36, 54, ...? 1 8

Vertical angles are a. never congruent. b. always congruent. c. congruent only when they are both obtuse angles. d. congruent only when they are both acute

During scuba lessons, Sue dove 30 feet, Harriet dove 120 feet, and Kathy dove 90 feet.What integers represent these depths? Order the integers from least to gre

Expenses of education to improve or maintain existing skills are deductible as a miscellaneous itemized deduction even if the education incidentally leads to qu

The body system that contains mammary glands is the