2 b For each question, apporreasonable work according to your discretiolare heeded to release 49 000 | of heat? (3 marks- 2 marks for work, 1 mark foranswer)) If burning 100g.of sugar (glucose) releases 1560 kl of heat, how manymail4x41945- 16736JToog G Releases = 1560 kj147BLJ heat Releie Ig sugar49006 -2.92gT67302) A light-year is a non-SI unit with a length of the distance that light travels in one yeara vacuum. The speed of light is 300 000 000 meters per second. (5 marks total)a) What is the distance of a light-year in metres? (3 marks)以Booddobo0distance < spees xtrmeTHac)se3x10*m/s x 3.2X107s =9.6x lo'mA b) What is the distance of a light-year in kilometres? (2 marks 1 mark for work, 1mark for correct answer)According to our best astronomy, the observable universe is about 91 billion light yearsin diameter. What is the diameter of the observable universe in gigametres? (3 marks-2 marks for work, 1 mark for correct answer)

We have to find out how many kilometer are in 1 light year

Answered: 2 b | bartleby

Science

Chemistry

2 b

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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