Hero invented the aeolipile, the first reaction turbine. A sample of how to balance a chemical equation. Eratosthenes measured the diameter of the Earth. A form of soldering to join sheets of gold was known to be used by the Mesopotamians in Ur.
This process converts light energy to chemical energy, which is stored in the sugars. Please none of the "Do your own homework" answers Use a different colour or symbol to represent the oxygen and hydrogen atoms.
Because we have 12 hydrogen atoms in glucose and 2 in water, we know there must be 6 times as many water molecules as glucose molecules. Instead of using trial division to sequentially test each candidate number for divisibility by each prime which is a very slow process, his system marks as composite i.
If you would like to review your answer, click on the Review Answers button. It is quite clear from the drawings that the wooden gear wheels would have been unable to transmit the power required and the tensile strength of the ropes employed is also questionable. Archimedes skills in designing military machines and mechanical devices were well known, even to the Romans, and were called upon in the defence of Syracuse during these hostilities.
Around that year, a book attributed to Chinese alchemist Cheng Yin warns of the dangerous incendiary nature of mixtures containing saltpetre potassium nitrateand sulphur, both essential components of gunpowder.
Using the method of exhaustion he showed that the approximation was neither greater nor smaller than the area of the figure under consideration and therefore it must be equal to the true area. Pictograms on a tablet dating from about B. The oldest surviving piece of paper was found in a tomb near Xian and dates from between B.
Define the system and surroundings. For an activity that must be sustained for an hour, output drops to around ; for an activity kept up all day, watts is about the maximum. Prior to that, it had not been possible to raise the temperature of the ore sufficiently to melt the iron and the only available iron was wrought iron created by heating iron ore in a furnace with carbon as the reducing agent and hammering the resulting spongy iron output.
They are also present in cells that respire to break down sugars and oxygen into carbon dioxide, water and energy. The Fermenting tank in filled with nutrient solution of sugar lactose or corn liquor which contain sugars and amino acids, Minerals are added, pH is adjusted around 5 or 6, Temperature is adjusted about 26 degrees, The liquid is stirred and air is blown through it, The micro-organisms are added and allowed to grow for a day or two in sterile conditions, When the nutrient supply is decreased, micro-organisms secrete their antibiotics, The fluid containing the antibiotic is filtered off and the antibiotic is extracted.
In Nikola Teslain an essay entitled "The Fairy Tale of Electricity" promoting the appreciation of electrical developments, proposed what seemed a plausible explanation for some of the magical powers of the Ark. He also developed fundamental theorems concerning the determination of the centre of gravity of plane figures.
See examples of The Divine Proportion. Other antibiotics interfere with the protein synthesis and stop the bacteria growing. It was basically a wooden box of acacia wood lined with gold and also overlaid on the outside with gold. Breakers break large molecules into smaller simpler ones, builders combine smaller ones to make large molecules.
I hope this helps a bit. The principles were correct but the scale and effectiveness of the devices described in biographies written hundreds of years later was doubtful. Decorative oil lamps from the period have also been discovered.
What is the enthalpy change when 3. Hypatia still held pagan beliefs at a time when the influence of Christianity was beginning to grow and unfortunately her science teachings were equated with the promotion of paganism.
Percussion drilling involves punching a hole into the ground by repeatedly raising and dropping a heavy chisel shaped tool bit into the bore hole to shatter the rock into small pieces which can be removed.
There are 7 Types of nutrients, these are: Express your answer as a chemical equation. If the reverse process, freezing the water to ice, is to occur, the water has to lose that enthalpy.
Cast iron was produced for the first time by the Chinese during the Zhou dynasty B. Archimedes is however credited with the invention of the worm gear which not only provided much higher mechanical advantage, it also had the added advantage that the "worm", actually a helical screw, could easily rotate the gear wheel but the gear wheel could not easily, if at all, rotate the worm.
Baking — Brewing — Cheese Making: Enzymes work the same way as catalysts do, they can work with only one substrate and they can be used more than once. Lodestone was also known in China at that time where it was known as "love stone" and is in fact quite common throughout the world.
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Jul 25, · Word equation for photosynthesis Photosynthesis is used by plants in order to create sugar for energy. The raw materials include carbon dioxide.
Oxygen is also produced as a waste reaction can be summarised in the word equation:carbon dioxide + water glucose + oxygenphotosynthesis - higher tierthe chemical equation for photosynthesis is:6co2 + 6h2o c6h12o6 + 6o2glucose from photosynthesisglucose is made up.
detailed charts that include details about both processes. sugars that store chemical energy. Photosynthesis uses energy captured from sunlight to change Write the chemical equation for photosynthesis and explain what it represents.
What roles do. Cellular respiration is the process of breaking sugar into a form that the cell can use as energy.
This happens in all forms of life. This happens in all forms of life. Cellular respiration takes in food and uses it to create ATP, a chemical which the cell uses for energy.
Specific Information: Photosynthesis is a process used by plants and other organisms to convert the light energy captured from the sun into chemical energy that can be used to fuel the organism’s activities. It occurs in plants, algae, and many species of bacteria, but not archaea.Write a word equation for photosynthesis include energy in your equation