Questions by Dimitar Nikovski

Questions by Dimitar Nikovski

What volume of carbon dioxide is produced when 0.489 mol of calcium carbonate reacts completely according to the following reaction at 0°C and 1 atm? calcium carbonate ( s ) calcium oxide ( s ) + carbon

asked Feb 2, 2020

1 answer

2 votes

125k views

(r)-2-butanol reacts with phosphorus tribromide to give a (c4h9br). treatment of a with sodium cyanide in dmf gives b (c5h9)n. b is optically active. draw the structure of b.

asked Jul 3, 2019

1 answer

1 vote

62.8k views

A protein has altered funtion as a result of a single amino acid substition in the polypeptide (protein). this change resulted from what type of mutation?

asked May 28, 2019

1 answer

2 votes

189k views

The ratio of hydrogen to oxygen atoms in water molecules is 2 to 1. If the beaker of water contained 4.1 moles of oxygen atoms, how many moles of hydrogen atoms did it contain? (Note: A mole is a unit

asked Jan 9, 2019

1 answer

4 votes

112k views

What are 3 common acids and their salts? I know that HCI-NaCl is one but idk other ones

asked Jun 27, 2018

1 answer

4 votes

184k views

The sum of the page numbers on the facing pages of a book is 77. What are the page numbers? The page number on the left page is? And the number on the right page is?

asked Jun 5, 2018

2 answers

4 votes

134k views

$6285 divided by y equals $700

asked Jun 2, 2018

1 answer

0 votes

4.3k views

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