Exam (elaborations)
Chemistry unit 1 Questions and Answers 100% Solved
- Course
- Institution
Exam of 3 pages for the course Straighterline Chemistry at Straighterline Chemistry (Chemistry unit 1)
[Show more]
Content preview
Chemistry unit 1(Inorganic, organic, analytical, biochemistry, or physical) determine the composition of
moon rock - answer Analytical
(Inorganic, organic, analytical, biochemistry, or physical) do research on making a new
medicine to treat high blood pressure - answer Biochemistry
(Inorganic, organic, analytical, biochemistry, or physical) investigate ways to regulate
the rate of gas burning in a car engine - answer Physical
(Inorganic, organic, analytical, biochemistry, or physical) develop a plastic that can be
decomposed by bacteria - answer Organic
(Inorganic, organic, analytical, biochemistry, or physical) improve the method for
extracting iron from iron ore - answer Inorganic
(Pure or applied) develop a shampoo to be used with dry or damaged hair - answer
Applied
(Pure or applied) determining the conditions required for materials to burn - answerPure
(Pure or applied) figuring out the general structure of materials such as cotton and silk -
answerPute
(Pure or applied) designing a large-scale method for producing nylon - answerApplied
(Pure or applied) explaining why water expands when it freezes - answerApplied
Suppose you try several experiments with your car. You try to battery jump, which does
not work. There seems to be enough gas in the car. You wiggle a wire in the engine,
and the car starts on the next try. Explain why these tests help you decide what is
wrong with the car - answerManipulated two different components or your car at
different times
Discuss the statement "no theory is written in stone" - answerTheories can be disproven
Burning gasoline in an engine - answerNot a physical change
Dissolving sugar in water - answerPhysical change
Evaporating sea water to obtain salt - answerPhysical change
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
66579 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now