Number of results: 13,441
Consider the following balanced equation: 2 Na + 2 H2O ? 2 NaOH + H2 If 92.0 g of sodium reacts with 76.0 g of water until completion, which reactant will remain, and in what quantity?
Sunday, September 24, 2006 at 9:45pm by brian
When hydrogen selenide gas reacts with oxygen, selenium dioxide and steam are produced. How many liters of selenium dioxide would be produced from 5.50 L of oxygen? Assume 90% yield and that all gases are measured at the same temperature and pressure. Balance the equation: ...
Sunday, October 15, 2006 at 9:08pm by Anonymous
Nitrogen oxide (NO) has been found to be a key component in the many biological processes. It also can react with oxygen to give the brown gas NO2. When one mole of NO reacts with oxygen, 57.0 kJ of heat is evolved. a) Write the thermochemical equation for the reaction between...
Monday, January 29, 2007 at 6:39pm by Christopher
An element, M, reacts with oxygen to give an oxide of formula M3O4. A sample of M of 257 mg is placed in a 500.0 mL vessel containing oxygen at 0.991 atm and 23.0°C. After cooling the vessel back to the original temperature, the pressure was 0.813 atm. Calculate the molar mass...
Saturday, February 2, 2008 at 5:02pm by Student
In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced chemical equation for the reaction. 2 SO2 + 1 O2 + 2 H2O --> 2 H2SO4 If 5.45 g SO2 react with excess oxygen and water, how many grams of H2SO4 are...
Sunday, February 3, 2008 at 9:49pm by ChaCha
At hihg temperatures Sodium chlorate decomposes to form Sodium Chloride and Oxygen gas. A 0.8765 gram sample of sodium chlorate was heated until the reaction ended when Oxygen gas production was ceased. The Oxygen gas collected over water occupied 57.2 ml at temperature of 295...
Sunday, March 16, 2008 at 4:00pm by Anonymous
write the chemical equations for the following sentences a) Aluminum reacts with oxygen to produce aluminum oxide I put Al + O2 ----------> 2Al2O3 b) Phosphoric acid, H3PO4, is produced through the reaction between tetraphosphorous decoxide and water I put P4O10 + 6H2O...
Wednesday, March 26, 2008 at 4:52pm by john
2.241g sample of nickel reacts w oxygen to form 2.85g of the metal oxide. Calculate the empirical formula of the oxide?
Monday, March 31, 2008 at 1:39pm by lizzie
I really need help for my homework on how to write the balanced equation for the following reactions. 1) Sodium reacts with iron(lll)oxide to produce sodium oxide and iron. Type of reaction: Balanced Equation: 2) Hydrogen bromide forms from hydrogen and bromine. Type of ...
Tuesday, April 8, 2008 at 5:49pm by Lisa
1) Sodium reacts with iron(lll)oxide to produce sodium oxide and iron. Balanced Equation: Can you write the formulas for each element and compound? The problem TELLS you what the products are. Na + Fe2O3 ==> Na2O + Fe To balance, it is a process of trial and error. Rule #1...
Tuesday, April 8, 2008 at 5:49pm by DrBob222
Sodium reacts with chlorine gas according to the reaction:\ 2 Na (s) + Cl2 (g) ---> 2 NaCl (s) What volume of chlorine gas, measured at 687 mmHg and 313 K, is required to form 275 g of NaCl?
Tuesday, April 22, 2008 at 1:59pm by Kate
They form non-metallic oxides. For example, carbon reacts with oxygen to form either CO or CO2 (depending upon the amount of oxygen present) but both are non-metallic oxides. C + O2 ==> CO2 or 2C + O2 ==> 2CO
Tuesday, August 26, 2008 at 2:04pm by DrBob222
Ammonia reacts with oxygen in the presence of a platinum catalyst to give nitric oxide and water, according to the following gas phase equilibrium: 4NH_3(g) + 5O_2(g) <---> 4NO(g) + 6H_2O(g) ÄH = −906 kJ mol^−1 What is an appropriate equilibrium expression ...
Saturday, January 3, 2009 at 7:32pm by trigger
What happens when : (give balanced chemical equations only) 1. Caustic soda reacts with carbon dioxide 2.caustic soda reacts with zinc hydroxide 3.potassium reacts with oxygen 4.sodium carbonate is fused with silicon dioxide 5. when bleaching powder reacts with hydrochloric acid
Wednesday, March 10, 2010 at 1:39pm by paula
The question you must answer is, does the change form a new chemical compound or is it the same material after the change as before the change? For example, 1. The sodium is oxidized to Na2O because it reacts with oxygen in the air. Something new has been formed; therefore, ...
Tuesday, March 1, 2011 at 9:44pm by DrBob222
Chemistry Balancing Equations
I really need help with balancing these equations: PLEASE HELP!! 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride 2. Sodium nitrate reacts with hydrochloric acid to produce nitrogen monoxide gas, water sodium ...
Monday, March 14, 2011 at 2:49pm by Anonymous
Chemistry Balancing Equations
Can you please tell me if these are correct? 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride NaHSO3 + HCl -----> SO2 + H2O + NaCl 2. Sodium nitrate reacts with hydrochloric acid to produce nitrogen monoxide ...
Monday, March 14, 2011 at 3:24pm by Anonymous
Are my answers correct? Chem
I really need help with balancing these equations: Can you check if my answer are correct? Please 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride NaHSO3 + HCl = SO2 + H2O + NaCl 2. Sodium nitrate reacts with ...
Monday, March 14, 2011 at 4:03pm by Anonymous
1) If a total of 13.5 mol NaHCO3 and 4.5 mol of C6H8O7 react, how many moles of COs and NA3C6H5O7 will be produced? 3NaHCO3(aq) +C6H8O7(aq) -> 3CO2(g) + 3H2O(s) + Na3C6H5O7(aq) 2) If 8,00 mol of NH3 reacted with 14.0 mol of O2, how many moles of H20 will be produced? 4NH3(g...
Wednesday, May 4, 2011 at 12:46am by shaquifa
1. Hydrogen gas combines with oxygen gas to yield water. if 15 g O2 is present in the reaction, compute how much water will be produced. 2. Ten (10)grams methane gas combines with oxygen gas to form water and carbon dioxide. How much water is produced from the given reaction? ...
Wednesday, August 28, 2013 at 10:24am by Matt