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How to divide or multiply by 10s, 100s, 1000s

When dividing a number, the number gets smaller. So, the decimal point moves towards the left. However, when you are multiplying a number, the num...

Answered by Adila M. • Maths tutor

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In the flowing equitation 2H2+O2→2H2O how many grams of oxygen are needed to make 9g of water?

2H₂+O₂->2H₂OThe best way to answer any mass balancing questions like this is to set the information in a table as follows and fill in the blanks: 2H₂+ O

Answered by Caroline O. • Chemistry tutor

12923 Views

Describe how elements are arranged in the periodic table

Elements in the periodic table are arranged in order of increasing atomic (proton) number. Elements with the same number of electron shells are arranged in the horizontal rows (periods), and elements with...

Answered by Georgia C. • Chemistry tutor

35613 Views

Describe the process of glycolysis

Glycolysis is the first of four steps in cellular respiration, and involves the breakdown of one glucose molecule into two molecules of pyruvate. A 6C glucose molecule is first phosphorylated, using the p...

Answered by Georgia C. • Biology tutor

20003 Views

Explain the difference between productive efficiency and dynamic efficiency.

Dynamic efficiency is associated with the productive efficiency of a firm. However, dynamic efficiency is where a firm's super-normal profits are reinvested into technology and research and development to...

Answered by Michael W. • Economics tutor

4548 Views