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Science
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sandra mixed two liquids together.liquid a was 20cm3 and liquid b 50cm3 but when mixed less than 70cm3.explain why
A fire engine approaches a stationary car at 20 m/s. What frequency does a person in the car hear?
descirbe the injection moulding process for polypropylene, include mould temperature, injection pressure, injection speed, mould clamping force, mould open and closed time
As we burn millions and millions of tons of oil, does this mean that the planet is getting lighter? At first glance, this seems silly, but after thinking about it, we are converting the mass of oil...
Can a non-competative inhibitor allow a different substrate to bind to the active site of an enzyme?
The fire engine approaches a stationary car at 20 m/s. What frequency does a person in the car hear?
how table salt in water makes a solution that can conduct electricity?
Term for the potentially serious generic issue in many computer operating systems that affects the availability of Transmission Control Protocol services. Any help appreciated
in mens urinals [toilets] there is always a build up in the p traps. calcium i think . what chemicle will break it down?
Hello, I'm off to the Caymans in a couple of weeks - does anyone have any advice regarding astronomy and what I might see (or should look out for)?
Ok..Stuck doing my lab report for uni and I wanted to know if anyone knows about using a spectrophotometer? I know what it is (used for the measuring the accurate characteristic absorbance of...
Hi there I was wondering if anyone has passed this test (or has had a chance to see what it is all about). How much knowledge do you need to have to pass it? Anyone out there? Many thanks Bartholomew
It's interesting how different peoples perception of hot and cold is , in terms of the weather . Take a hundred people , stand them outside and ask them , is it hot or cold . You will never get all to...
HI I am looking to get into astonomy/star gazing as a hobby. Any reccomendations on books for beginners and the typs of telescope to start and progress with?? any advice would be great thanks
Radiocarbon dating relies on using the natural radioactive decay of the carbon 14 isotope to identify when fossils and artefacts were formed. The half life of carbon 14 is 5568 years, and the current...
Is this a way to get free energy? http://news.bbc.co.uk/1/hi/technology/7819732. stm
whats the similarities Between these principles 1.D'Alembert's principle, also known as the Lagrange-D'Alembert principle 2.law of conservation of energy how do these principles solve engineering...
My sons maths homework is..Look at the fractions 1/2 to 1/20. Which are recurring if the numerator changes? Is there a pattern? Do they mean if 1/4 changes to 2/4 it is equal to 1/2 so therefore...
what is the relationship between frequency and wavelength of electromagnetic waves
What are the differences in NA and BP medium plates in regard to environmental sampling.
How come it will only settle on BP medium plates? what does agglutination have to do with it?
