Posts Tagged ‘chem’

8 chem questions :) 10 pts right first answer :] multiple choice easy!?

Question 1 (Multiple Choice Worth 2 points)Which of the following compounds will produce H2O as one of the products when it decomposes?Cu(OH) 2Hg(ClO3)2MgCO3CaOQuestion 2 (Multiple Choice Worth 2 points)Which of the following is a product formed when SO2 and H2O react together?SO3H2SO3H2OHSO2Question 3 (Multiple Choice Worth 2 points)Which of the following is a product formed […]

Chem help only 2 questions and full points!?

Question 30 (Essay Worth 4 points)Describe at least two experiments, including the observed results, that caused the scientific community to accept changes to Dalton’s original model of the atom.Question 31 (Essay Worth 4 points)Explain how Niels Bohr’s observation of hydrogen’s flame test and line spectrum led to his model of the atoms containing electron orbits […]

Do Chem Lab Write-Ups need to be in essay form?

I need to put the following in it : Problem Statement, hypothesis, Materials Needed, Procedure, Data/ Observations, conclusions. Would I list these or do i put them in an essay liek format?