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Diamond and graphite are both allotropes of carbon. However only graphite can be used as an electrod... A graphite rod is 1.0 m long, with a 1.0 cm by 0.5 cm rectangular cross sectional area. What is the... Why is graphite such a good conductor of electricity? Why is diamond the hardest naturally occurr... When graphite combines with hydrogen and gaseous oxygen, one mole of ethyl alcohol is formed. 2C(gr... Consider diamond and graphite. Which of the following is true? (A) Graphite should have a higher me... 227 g of graphite and partial pressures of 2.00 bar CO2 and 125 bar CO are added to a sealed 1.00 L... Why is graphite considered an element? The structure of graphite is shown below. What kind of hybridization exists for each carbon in the... a block of graphite has a mass of 4.4x10 2 kg, a volume of 0.2 m3, a weight of 4.3x10 3 n, and exert... The specific heat of graphite is 0.71 J/g oC. Calculate the energy required to raise the temperatur... graphite is a good lubricante is that physical or chemical Data: C(graphite) + O2(g) forms CO2 (ga) Delta H = -393.5kJ H2(g) + 1/2O2(g) forms H2O(l)Delta H =... If you burn 13.7 g of methane (CH4) burns in oxygen, then 686 kJ is evolved. What is the amo... 4.8g of Mg were burn in 3.2g of oxygen. The MgO produced at a mass of 8g what is the equation of the... Which would burn the most 100 g of water at 100 degrees C or 100 g of steam at 100 degrees C? How many calories can she burn if she hikes for 105 minutes If 0.50L of gaseous CH4 is burned at STP, what volume of O2 is required for complete combustion? Me... If you burn 16.5 ml of ethyl alcohol, C8 H18, that has a density of 0.789g/ml what mass of co2 is p... a fireman 50 m away from a burning building directs a stream of water from a ground-level fire hos... What happens when you burn magnesium metal using the big idea of energy? 24g of magnessium burn in air to form magnessium oxides as show below. 2Mg+o²=2Mgo how much magnes... we burn 12.50L of ammonia in 20.00L of oxygen at 500 degrees celsius. What volume of nitric oxide, N... Why does magnesium burn with a white flame? What does it say about the electron transitions that tak... If you burn 0.200 g of C(graphite) in an excess of O2 to give CO2, the temperature of the calorimete... 1. The lanterns had to burn for eight to ten hours. 2. The lanterns had to burn for from eight t... does the wick burn or the wax burn in a candle? Why does woo burn more rapidly in a fireplace that has a good draft of air? What is a controlled burn? If you were to burn a candle under equal masses of water and iron for the same amount of time, would... what happens when a candle burns a fireman 50 m away from a burning building directs a stream of water from a ground-level fire hose... If you burn methane(CH4)and methyl alcohol(CH3OH)which gives off more heat if you burn 20.2g of hydrogen and produce 1.80x10^2g of water, how much oxygen reacted? You burn 6 grams of carbon in plenty of air: C ( s) + O2 ( g) = CO2 ( g) a What volume of gas wil... Mr. Burn's class is taking a field trip to the planetarium. The trip will cost $27 for each student.... A candle burn for up to 4 hours. Which amount of time is equal to 4 hours? A certain person burn 6.5 calories per minute while walking how many calories will be burned if that... Why do meteors start to burn in atmosphere? CH3CH2CH=CH2 burn in oxygen to produce what and what Why might Chinese burn paper money at a festival for ancestors? A. To give the ancestors income in... magnesium in flashbulbs burn according to the equation 2Mg + O2 ---> 2MgO what mass of Mg comb... If l burn 6grams in plenty of air, what volume of oxygen will be used up Ms. Gallegos burn 236 calories riding her bike each our. she wants to burn more that 590 calories ri... A mass 20.0g of petrol was burnt in air. The heat produced was used to heat 2.5 litres of water. Giv... Joe watches a candle burn. What chemical change does he observe? (1 point) The heat melts the cand... What is slash and burn agriculture?(1 point) Responses: A method of farming where crops are grown... c. If the video shows the burning of 1.80 grams of sugar with 1.92 grams of oxygen gas, what would... when you burn ionic and covalent compound using Bunsen burner,what you will see? When you burn a mixture of iron and sulphur, iron sulpide is made. What is the gas given off? ^Pl... You burn a pice of paper what are the proucts after it burns? which type of burn involves destruction of the epidermis, dermis, and subcutaneous layers? Why does wood burn rapidly in a fireplace that has a good draft of air? is this answer correct... When 1g of baked potato is burnt in a calorimeter having a heat capacity of 350 J the temperature ri... when 2.13 moles of C3H8 burn in excess oxygen, how many moles of CO2 will be formed? Assume this is... The De-orbit Burn The Shuttle must reduce its velocity at a pre-calculated point in its orbit in... A deorbit burn has been performed. During this deorbit burn a pre-calculated Delta V (change in velo... A de-orbit burn, similar to that presented in the previous math problem, has been performed. During... When automobiles burn gasoline, they release many pollutants including sulfur oxides into the air. T... A de-orbit burn, similar (but not the same) to that presented in the previous math problem, has been... When 0.312g of glucose was burned in a bomb calorimeter (heat capacity 641 J/K) the temperature rose... To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ic... If we burn a strip of magnesium in air, there will be two main products, magnesium oxide and magnesi... A marathon runner will burn 1.25x10^7 j during a race. If the calorie content of 12.0 oz. of Gatorad... why is a burn from steam potentially more serios than a burn from very hot water? Water at boiling... When 1.0 grams of gasoline burns, 11500 calories of heat energy are given off. If the density of ga... What mass of sulfur has to burn to produce 4.5L SO2 at 300°C and 101 kPa in the following reaction?... U burn 30 calories walking for 10 mins and at this rate how many calories will u burn in 15 mins The rate at which a candle burns in millimeters per minute is: qualitative theoretical... . Alex plays rugby and can burn approximately 650 calories in a 1.25-hour game. Danielle enjoys ki... A glass melting furnace is burning ethene in pure oxygen (not air). The furnace operates at an equiv... In a place rice growers burn their field to stabilize their fields the field burning causes pollutio...