Questions by Mvbentes

Questions by Mvbentes

An aluminum block has a mass of 82.0 g and a volume of 12.8 cm3. What is the block's density to the nearest g/cm3?

asked Sep 14, 2018

2 answers

0 votes

175k views

Which action is linked to the spread of the black death to europe during the 14 century

asked Jul 25, 2018

2 answers

2 votes

212k views

Which of these elements have the same number of valance electrons

asked Jun 19, 2018

1 answer

3 votes

196k views

There are many different types of scientific investigations. Which of the following forms requires the identification and control of variables? A. observational field studies B. collection of specimens

asked Mar 10, 2018

1 answer

3 votes

26.4k views

A money box contains only 10-cent and 20-cent coins. There are 34 coins with a total value of $5.40. How many coins of each

asked Jan 24, 2018

1 answer

5 votes

80.4k views

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