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4.00 g metal carbonate, MCO3 reacts with acid to liberate a gas that occupies 0.5878 dm3 at 25˚C and 2.0 x 105 Pa. Identify the group 2 metal, M. Info: R = 8.314 J K-1 mol-1

First it is important to recognise that this is an ideal gas equation question – the exam boards love these so try to get used to spotting if you have the necessary quantities. This is a multi-step problem, ...
ID
Answered by Isabel D. • Chemistry tutor
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A circle has radius 6, what is its area?

Area=pi x r 2 r=6, hence Area =36pi
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Answered by Anna S. • Maths tutor
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Highlight the main differences in the style of painting from the Renaissance and Baroque periods.

Many stylistic features changed from the fifteenth to the seventeenth century. In order to fully understand these changes, it is first important to understand the motivation of each period. The Renaissance w...
GS
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„Ehe? Partnerschaft? Nein, danke. Am besten bleibt man Single.“ Erklären Sie Ihre Meinung zu dieser Aussage.

Eine Person welche sich mit so einem Standpunkt ausdrückt erörtert das Sie keine fest Bindung in romantischer Sicht sucht. Dies kann auf einiges zurückzuführen sein - wie z.B. die Erziehung der Person oder v...
AE
Answered by Anthony E. • German tutor
2412 Views

What is a Group 1 Element?

Group one elements are all metals. They are known as the Alkaline Metals. All of these element atoms have one electron on their outer shell. This means that, when they react, they lose this one electron to g...
LH
Answered by Lara H. • Chemistry tutor
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