Physics

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A Brief History of Stephen Hawking

Today I will introduce a famous and outstanding scientist to you. A brief history of Stephen Hawking. The main contents include four aspects Stephen William Hawking is an English theoretical physicist...

Published: 2021-07-01 08:36:05

About Myself

Nuclear Power is produced when a nucleus absorbs a neutron and splits into two lighter nuclei. This releases enormous amounts of energy which in turn produces heat. In fact the Uranium, which is the m...

Published: 2021-07-01 08:33:18

Aristotle Life Story

Aristotle was born in Greece approximately 384 B. C. , to parents Nicomachus and Phaestis. His father Nicomachus was physician to King Amyntas of Macedon, and his mother was of a wealthy family from t...

Published: 2021-07-01 08:14:29

Atoms, Molecules, & Elements

Atoms are the smallest entities which resemble the properties of an element and cannot be broken down into smaller parts. Molecules are formed when two or more atoms are combined. This formation can h...

Published: 2021-07-01 08:41:08

Banana

The time and temperature change of the reaction are graphed to identify the hanged in enthalpy and entropy that took place as the melted substance solidifies. Using the data we can then predict the ch...

Published: 2021-07-01 07:22:20

Calorimetry and Hess’s Law Purpose

The purpose of this lab is to determine the enthalpy of reaction for the burning of one mole of magnesium in oxygen. Although the reaction is exothermic, the ∆HRXN will be determined by using calori...

Published: 2021-07-01 08:40:28

Cell Phones Do Not Cause Any Health Problems

In today’s world, cell phones are part of a life. As the technology improves more and more people are buying cell phones. Many new cell phones are like a small computer, as they have a picture and v...

Published: 2021-07-01 08:04:00

Chem 130 Chp. 15

Chp. 15 Chemical equilibrium: Occurs when a reaction and its reverse reaction (opposing reactions) proceed at the same rate At equilibrium the rate at which products are produced from reactants equals...

Published: 2021-07-01 08:41:18

Chemistry Review Chapters 1 – 2

Chemistry Review sheet: Unit 1- Lesson 1, 2 *Key notes to keep in mind* u Metals have a high low ionization energy u Non-metals have a high electron affinity · Atom: The basic unity of an element whi...

Published: 2021-07-01 08:44:18

College Physics 9e

1 Introduction ANSWERS TO MULTIPLE CHOICE QUESTIONS 1. Using a calculator to multiply the length by the width gives a raw answer of 6783 m 2 , but this answer must be rounded to contain the same numbe...

Published: 2021-07-01 08:43:19