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If 127g of copper reacts with 32g of oxygen gas to for copper oxide how much copper oxide is produced?
To find the amount of copper oxide produced, we need to determine the limiting reactant. The balanced equation is 4Cu + O2 → 2Cu2O. Calculate the moles of each reactant: 127g Cu / 63.5 g/mol Cu = 2 moles Cu, and 32g O2 / 32 g/mol O2 = 1 mole O2. Since 1 mole of O2 is needed for 4 moles of Cu, O2 is the limiting reactant. Hence, 2 moles Cu will react with 1 mole O2 to produce 2 moles Cu2O, which is 63.5 x 2 x 2 = 254g Cu2O.
Using the periodic table what is the mass of 2 moles of copper?
The relative atomic mass of an element is the mass in grams of 1mole of the substance. The relative atomic mass of copper is 63.5 2x63.5 = 127g
How many grams of metallic copper can be obtained when 54.0 g of Al react with 319 g of CuSO4?
To solve this problem, start by writing a balanced chemical equation for the reaction between Al and CuSO4. The molar ratio from the balanced equation indicates that 1 mole of Al reacts with 3 moles of CuSO4 to form 3 moles of Cu. Calculate the moles of Al and CuSO4 in the given masses, determine the limiting reactant, and use stoichiometry to find the mass of metallic Cu produced.
2kg + 500g= 7kg - 100g=126kg+127g=?
2kg+0.5kg=2.5kg 7kg-0.1kg=6.9kg 126kg+0.127kg=126.127kg
When 127g of copper reacts with 32g of oxygen gas to form copper II oxide no copper or oxygen is left over How much copper II oxide is produced?
The molar mass of Cu is 63.55 g/mol and of O is 16 g/mol. The moles of Cu used is 127g / 63.55 g/mol = 2 mol, and the moles of O used is 32g / 16 g/mol = 2 mol. Since the mole ratio of Cu to O in CuO is 1:1, then 2 mol of Cu will react with 2 mol of O to form 2 mol of CuO. The mass of 2 mol of CuO is 159.6g.
How many carbs in a piece of cheesecake?
It depends ... the plain cheesecake has 25g carbohydrates, which means 8%. For example, the 30th Anniversary Chocolate Cake Cheesecake from Cheesecake Factory has 127g carbohydrates, which means 42%.
How many cups of flour makes 1500G?
Assuming a cup of flour is 127g, there would be about 11.8 cups in 1500g of flour. But don't bet on scooping equal amounts of flour per cup. You will be better off getting a digital scale and weighing your ingredients. Otherwise you could easily be off by 20 - 50% which is a LOT to be off in baking.
A rock has a mass of 127grams and displaces 32.1 mL of water What is the density of the rock?
The density of the rock is its mass divided by its volume (in suitable units). Since a millilitre is the same volume as a cubic centimetre, density = 127 grams / 32.1 cm3 = 3.956 g/cm3
Why can you only make 2 partition in windows 9x using Fdisk?
You are NOT limited to only two partitions in Windows 98. When you run FDISK, make a primary partition and then create an extended partition. Depending on the size of your hard drive and the size of the partitions you would like to create (without exceeding the 127G barrier, BIOS dependent) you may create as many partitions within the extended partition as you would like. After creating both the primary partition and the extended partitions you must reboot and then format each partition. Keep in mind that for every partition letter, Windows will use 8K of memory. You may want to edit your Config.sys file and change lastdrive=z to 2-3 letters beyond the drive letters assigned to your hard drive partitions, CD/ DVD drives and any flash drives or other removable storage you are using. It is rare that you would need 26 drive letters, so save yourself some system resources, especially since Windows 98 (SE) is limited to 512MB. Hope this helps.
How many carbohydrates in a cup of raw carrot?
Carbs in a cup of raw carrotsThere are:approx 10.6 carbs in 1 cup (about 3. 9oz, or 119g) of raw, grated carrotapprox 12.3 carbs in one cup (4.5 oz, or 127g) of raw, chopped carrotapprox 2 carbs per ounce, or 28g, of raw, baby carrotapprox 2. 7 carbs per ounce, or 28g, of raw, mature carrotFor the carbohydrate content of other vegetables and a vegetable carbohydrates chart, which you may print out if you wish to and use as a daily guide, see the page link, further down this page, listed under Related Links.
What is the highest calorie food in the world?
I have read that fat is the highest calorie 'food' with about 9 calories per gram so just anything really high in fat will have loads of calories in it, something like pork scrathings or pizza. ---- http://www.nutritiondata.com/ Here are some of my searches. Let me know if that helps. Sorry for long post. Wiki Answer has problem with wordwrap so i double spaced to separate the lines. Raw cooking oil has 1990 cal per 216 g, and 36 g sat fat. Peanut unsalted 884 per 144g and 13g Avocado 240 per 140g and 3g. Peach 68 per 175g and 0g Apple 65 per 125g and 0g Banana 200 per 225 and 0g Strawberry 49 per 152 and 0g Big mac 563 per 219g and 8g Double Whopper with cheese 1061 per 399g and 28g Lettuce raw 1 per 4g and 0g Red Bull (drink) 155 per 255 and 0g Dairy Queen Choc. Shake 567 per 397g and 10g Fried chicken 506 per 188g and 8g Stewed chicken 181 per 90g and 3g Roasted chicken 335 per 140g and 5g Braised chuck 1/4" lean and fat 231 per 85g and 5g Braised chuck 0" lean only beef 163 per 85 and 2g Pork Lean and fat (Boston Butt) 676 per 264 and 17g Bacon Panfried 41 per 7g and 1g Mustard Spinach 33 per 150g and 0g Cashew roasted 748 per 129g and 11g Mixed nuts w/ peanut dry roasted 814 per 137g and 9g Mixed nuts w/ pean oil roasted 876 per 142g and 11g Domino's Ultimate Pan 14" 366 per 127g and 6g Pizza Hut's Italian sausage Pan 340 per 123g and 7g Pizza Hut's stuff crust w/ cheese 360 per 157g and 8g Papa John's the Works 192 per 93g and 3g Orange Juice California from Concent 110 per 249g and 0g Milk Whole 3.25% fat 146 per 244g and 5g Corn Grits white quick and cooked 143 per 242 and 0g Cereal bran flakes plain 96 per 30 and 0g Del Taco:Classic Coke 117 per 284g and 0g Burger King: Dr Pepper 117 per 282g and 0g Egg whole fried 90 per 46g and 2g Onion sautied 115 per 87g and 0g Soybean boiled 284 per 180g and 0g Alaskan Red Salmon (sockeye) smoked 96 per 28g and 1g Fried Shrimps mixed species 206 per 85g and 2g Catfish Wild dry heat 150 per 143 and 1g You can eat healthy and still get plenty of calories. Stay away from fatty foods with too much saturated fats and cholesterols. Nguyen
