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15g of Magnesium is burned, what mass of magnesium oxide is formed ?

  1. Write out the equation when Magnesium is burned to produce Magnesium oxide: 2Mg + O2 > 2MgOMagnesium to Magnesium oxide is 1:12) Work out the number of moles present in 15g of Magnesium: Moles = ...
CR
Answered by Carlin R. Chemistry tutor
4567 Views

How do I solve the simultaneous equations 5x+2y=11 and 4x-3y=18?

Simultaneous equations have two or more unknown values, in this case there are two: x and y. To solve them, first we need to get one unknown by itself. In order to do this we need the coefficient of eithe...

HT
Answered by Helen T. Maths tutor
7532 Views

Explain the 2 ways in which a reduction in interest rates can change consumption in the aggregate demand model of the economy.

Consumption - a reduction in interest rates means that the cost of borrowing money for consumers is lower. This means that consumers demand more money in order to consume. Large purchases become relativel...

JY
Answered by James Y. Economics tutor
3799 Views

Why study Shakespeare? How are we to understand the language when it is so vastly different to our own?

Language is not a stable category. We are used to noting the differences between speakers of different languages, but the differences within a single language can be just as significant over a period of t...

CB
4130 Views

To what extent does money make the president

It has long been said that money dominates politics in the US, due to its diverse nature, and the inability to reform campaign finance effectively. This has led to multi-billion dollar election campaigns,...

FF
2874 Views

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