if O.9g of scandium reacts with 0.48g of oxygen, what is the
formula for scandium oxide?
What is the charge on the Sc ion? Atomic weight of Sc =
45g/mole.
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if O.9g of scandium reacts with 0.48g of oxygen, what is the formula for scandium oxide?...
If 1.2g of praseodymium reacts with 0.135g of sulfur, what is the formula for the praseodymium sulfide? What is the charge on the Pr ion? Atomic weight of Pr = 141g/mole.
Ammonia reacts with oxygen to form water and nitrogen oxide. What is the the mole-to-mole ratio for ammonia and water. NOTE: Possible ratio answers are displayed as ammonia : water. 1:1 4:6 6:4 2:3
Please answer this problem, also, is this a FCC or BCC?
In-oxide is a semiconductor useful in solar cells. X-ray diffraction data reveal that In-oxide has a cubic structure with 1 oxygen ion and 1 In ion effectively inside the cubic unit cell. Further, the length of the unit cell is estimated to be a 0.3133 nm. Calculate the density of In-oxide given the atomic weight of In 114.82 amu and the atomic weight of O 16.00 amu
In-oxide is...
1. A 0.750-g sample of tin metal reacts with 0.201 g of oxygen gas to form tin oxide. Calculate the empirical formula of the tin oxide. 2. A 0.565-g sample of cobalt metal reacts with excess sulfur to give 1.027 g of cobalt sulfide. Calculate the empirical formula of the product. 3. A 1.164-g sample of iron filings reacts with chlorine gas to give 3.384 g of iron chloride. Calculate the empirical formula of the product? 4. A 0.626-8 sample of copper oxide...
Marked out of 1.00 Aluminum reacts with oxygen to form aluminum oxide according to the following unbalanced equation: Al(s) + O2 (g) → Al2O3 (s) If 5.0 moles of A react with excess oxygen, how many moles of Al2O3 can be produced? Select one: a. 1.0 mole b. 2.0 mole c. 3.0 mole d. 2.5 mole e. 10.0 mole Clear my choice Question 11 Not yet answered
multiple proportions. Explain your reasoning. 4. Magnesium reacts with oxygen to produce magnesium oxide, a white powder. A) In one experiment, 2.50g of magnesium reacts with 1.38g of oxygen to form 3.48g| magnesium oxide; all of the oxygen is consumed, but some magnesium is left over. Calculate (1) the mass of magnesium in the magnesium oxide; (2) the Mg/O ratio. B) In another experiment, 2.85g of magnesium reacts with 4.00g of oxygen to form 4.73g of magnesium oxide; all of...
Problem 7.30 Give the formula for the compound formed when potassium oxide reacts with water. Express your answer as a chemical formula. Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B Complete previous part(s) Part Give the formula for the compound formed when carbon dioxide reacts with water. Express your answer as a chemical formula. What is the pH of a solution that has a hydrogen ion concentration of 1.7 x 10-2 M? Express your...
Magnesium reacts with oxygen gas to produce magnesium oxide, light, and heat. This reaction is Select one: O A. a combination reaction OB. a single replacement reaction O C. a catalysis reaction OD. a decomposition reaction O E. a double replacement reaction What is the mass percent of carbon in methane, CH4? Select one: OA. 50.0% B. 20.0% C. 74.9% D. 12.5% E. 25.2% When lead(II) nitrate reacts with sodium iodide, what is the correct formula for the product lead(I)...
Aluminum reacts with elemental oxygen at high temperatures to give pure aluminum oxide. What is the coefficient of O2(g) in the balanced chemical equation?
Please show all work and correct answer. Thanks!
When one mole I. Nitrogen oxide (NO) reacts with oxygen to give a brown gas, NO2. of NO reacts with oxygen, 57.0 kJ of heat are evolved. What is AH when 5.00 grams of nitrogen oxide react?