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Yasmeen Begum

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5278Students helped
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Science

Asked by Tu 路 7 months ago

Can someone help explain the process of electrolysis?

You need to know the 3 rules for electrolysis then it鈥檚 easy to work out At the cathode Whether hydrogen or a metal is produced at the cathode depends on the position of the metal in the metal reactivity series: the metal is produced at the cathode if it is less reactive than hydrogen hydrogen is produced at the cathode if the metal is more reactive than hydrogen At the anode Oxygen is produ... more

Career Advice

Asked by Kyron 路 2 years ago

What鈥檚 GCSEs do you need to become a commercial pilot?

In order to begin training as an airline pilot, you鈥檒l generally need at least 5 GCSEs from A to C, with English and Maths included. You will also need at least two A-levels, and ideally this will include Maths and Physics. Although a University degree is not required, it is extremely useful if you are in possession of a degree in a related field such as Aviation Management or Aircraft Engineering... more

Physics

Asked by Rebil 路 2 years ago

What is physics?

Physics is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.

Science

Asked by Mahnoor 路 2 years ago

A farmer plans to generate all the electricity needed on her farm using either a biogas generator or a small wind turbine the biogas generator would burn methane gas the methane gas would come from the rotting the animal waste produced on the farm?

So you need to compare the advantages and disadvantages of both methods Biofuels Renewable source.Uses land that could be used to grow food. Less carbon emissions. When burned, they release as much carbon as they absorbed during growth, although some carbon dioxide will be released during production, eg by the tractor.Needs a lot of labour. Reduce our reliance on fossil fuels.Bioethanol cannot be... more

Biology

Asked by Paris 路 a year ago

What is the structure of enzymes?

Most of the food we eat is complex carbohydrates, proteins and lipids. These must be broken down to be absorbed into the body. The chemical reactions required to break them down would be too slow without enzymes. Enzymes are biological catalysts 鈥 they speed up chemical reactions. Enzymes are required for most of the chemical reactions that occur in organisms. These reactions occur in the break... more

Science

Asked by 銆 袦蟽蟽畏 路 a year ago

If the voltmeter reads 3V what will the voltage be across each bulb?

What type of circuit is it series or parallel and how many bulbs do you have?

Science

Asked by Fabrizio 路 a year ago

A diesel engine uses 6000J of chemical energy and does 2100J of work?

Useful energy out divide by total energy in x 100 So 2100 divided by 6000 = 0.35 0.35 x 100 = 35%

Science

Asked by Bubble 路 a year ago

What subjects do I take at college if I want to be a rheumatologist?

Science compulsory do triple science if that is an option if that is available to you

Science

Asked by Ahmed 路 a year ago

How exactly do I revise gcse science for a visual learner like myself?

Use YouTube videos kayscience does this very well. Draw images for certain concepts to help you understand the text in visual format

Science

Asked by Lucie 路 a year ago

What are separation techniques for science?

Filtration - used to separate an insoluble solid solid from a solution Distillation - used to separate a substances with different boiling points Chromatography - used to separate inks and dyes Evaporation/crystallisation - used to separate a soluble solid from a solution

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Yasmeen's profile picture

Yasmeen Begum

Teacher by day tutor by night 馃檭

5278Students helped
24Questions answered
拢25Per hour