Answers by Lmcarreiro
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Answers by Lmcarreiro

Answers by Lmcarreiro
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Which of the following does not change the energy of the reactants relative to the activation energy? reducing the temperature adding a catalyst increasing the surface area increasing the temperature
answered Feb 22, 2020
7 votes
98.4k views
Silver, lead, and hydrogen are examples of what type of matter? (4 points) Solution Compound Element Heterogeneous mixture
answered Dec 27, 2019
1 vote
107k views
Which of the following sources of processed carbohydrates can replace spaghetti and provide no food additives? 1) A single serve package of salted crackers 2) Enriched white rice 3) A pre-cut baking potato
answered Dec 11, 2019
6 votes
104k views
Emily and Charlie are 1-year-old twins. Their parents thought it would be fun to have a portrait taken of their young children with Santa Claus. Both parents are close by as their twins are placed on Santa's
answered Oct 26, 2019
4 votes
131k views
DNA contains all of the genetic information for a cell andis often alled the
answered Jul 2, 2019
3 votes
24.8k views
Where can you find a wide range of information on a given topic? a. Informational references c. Referral pages b. Infomercials d. Reference centers
answered Oct 28, 2018
0 votes
104k views
What is an allergic reaction? The body's abnormal immune response to a foreign substance A mechanical injury caused by a foreign object A normal body function All of the above
answered Aug 18, 2018
2 votes
152k views
Ashley recently opened a store that sells only natural ingredients. She wants to advertise her products by distributing bags of samples in her neighborhood. It takes one person 2 minutes to prepare one
answered Jun 18, 2018
5 votes
32.5k views
Draw the structural formula of an alkane that has eight carbon atoms and only primary hydrogen atoms.
answered Apr 8, 2018
5 votes
61.0k views
A sample of hydrated magnesium sulfate has a mass of 4.052 g. After it is heated, it has a mass of 1.979 g. What is the percentage by mass of water in the hydrate?
answered Mar 26, 2018
2 votes
13.4k views
What is also known as an absolutist government
answered Oct 24, 2017
5 votes
216k views
What best completes this statement about "London, 1802"? Wordsworth considers Milton to have been _____. insignificant heroic selfish too innocent to be effective
answered Sep 19, 2017
3 votes
71.0k views
The volume of the room, giving that it is 3 metres high
answered Apr 30, 2017
2 votes
36.3k views
The energy used to digest, absorb, and metabolize energy yielding foodstuffs is called ________. A. nonexercise activity thermogenesis B. resting energy expenditure C. thermic effect of food D. negative
answered Apr 22, 2017
1 vote
5.5k views
Who designed the "city of brotherly love"
answered Mar 31, 2017
4 votes
117k views
People were beginning to question scientists god authority
answered Apr 9, 2016
4 votes
190k views
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