chem hw 1 - Patel (ap29737) Homework 1 Sutcliffe (50985) 1...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Patel (ap29737) Homework 1 Sutcliffe (50985) 1 This print-out should have 18 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. REMEMBER: DO NOT ROUND NU- MERICAL QUESTIONS. ENTER AT LEAST FOUR SIGNIFICANT FIGURES. 001 10.0 points Which of water, iron, ammonia, chromium, radon, and silicon are chemical compounds as opposed to elements? 1. radon and ammonia 2. chromium and water 3. iron and silicon 4. only water 5. water and ammonia 002 10.0 points Which of the following describes a chemical change? 1. alcohol evaporates 2. wood is carved 3. gasoline burns in an engine 4. water is heated from 0 C to 50 C 003 10.0 points Convert 7 10 6 centigrams to kilograms. 1. 7 . 10 11 kg 2. 7 . 10 12 kg 3. 0.0070 kg 4. 7 . 10 15 kg 5. 70 kg 6. 7.0 kg 7. 700000 kg 8. 7 . 10 7 kg 004 10.0 points What is the volume of a sample of helium that has a mass of 4 . 61 10 3 g, and a density of . 17847 g / L? Answer in units of mL. 005 10.0 points Which isotope has 35 protons, 35 electrons, and 46 neutrons?...
View Full Document

Page1 / 4

chem hw 1 - Patel (ap29737) Homework 1 Sutcliffe (50985) 1...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online