4Na+O2--->2Na2O.. Mass calculation reactions please i have a test soon! Step 3. synthesis and combustion double replacement single replacement decomposition only? Consider the oxidation of sodium metal to sodium oxide described by the balance equation: 4Na+O2 > 2Na2O. here is your ans.. Answer: 4Na + O2 ----> 2Na2O. What is the mass of sodium needed to make 2 g of sodium oxide (4Na + O2 → 2Na2O)? 4Na + O2 - > 2Na2O 2. Why is (H2O2) known as hydrogen peroxide and not hydrogen dioxide? Capit 4 years ago. You have that. c. How many moles of Na2O could be produced from 2.18 g of sodium? ANSWER RATING: Sign up to view the full answer View Full Answer About … 3 years ago. 3O2 3Cl2 3K. 3 Answers. a million) KBr2 + K2S2O3 +H2O --> KBr + K2S4O6 + KOH there is something incorrect with this question; there is no KBr2! This is illustrated below: Na + O2 - > Na2O The equation can be balance as follows: There are 2 atoms of O on the left side of the equation and 1atom on the right side. 4Na + O2 → 2Na2O Step 1. 4Na(s) + O2(g) -> 2Na2O(s) please help me! You should do it more accurately. 4Na + O_2 rarr 2Na_2O. Still have questions? By the stoichiometry of this reaction if 5 mol natrium react, then 2.5 mol Na_2O should result. Use the activity series below to predict whether the following reactions will take place. The question is how many grams of Na2O are produced when 2.50 moles of Na react.? a. What is the mass of sodium needed to make 2 g of sodium oxide (4Na + O2 → 2Na2O)? 2H2 + O2 → 4H2O 4Na + O2 → 2Na2O Fe2O3 + H2 → 2Fe + 3H2O CH4 + O2 → CO2 + H2O How many moles of Na2O can be produced from 4.0 moles of Na? Cl2 H2O. first balance non metals. To find moles, we do: 2gNa2O*(1molNa2O/61.9790g) The g unit cancels out, and we are left with … This makes it a balanced equation. See the answer. The burning … then metals. Start studying Chemistry A - Unit 3 - Chemical Reaction Patterns. The balanced equation is 4Na(s) + O2(g) → 2Na2O(s) Express your answer in grams to one … 4Na+O2--->2Na2O. Morningfox. 2KClO3 → 2KCl + ? What is the limiting reactant when 2.00 mol of methane reacts with 2.00 mol of oxygen? + 2NaBr → 2NaCl + Br2 Mg+ ? Now you have too much O on the left, so cut it in half. Making the reactant particles larger. Balancing Equations Na + O2 → Na2OIn order for this equation to be balanced, there must be equal amount of Na on the left hand side and on the right hand side.Right now, there is 1 Na atom on the left but 2 Na atoms on the right.We solve this problem by putting a 2 in front of the Na on the left hand side, Like this: 2Na + O2 → Na2O Relevance. MgO + ? Relevance. im following the steps in teh book and teh answer is 77.5 grams of Na2O im not understand how they got that answer please help me!! So what have I done here? 0 0. Which one of the following factors would not speed up a chemical reaction. HB. So, one last step: 4Na + O2 --> 2Na2O. 2. Na+O2 ---> Na2O. The balanced reaction: 4Na + O2 = 2Na2O We use the relation of the substances and the amount of sodium to determine the theoretical yield of the reaction. CH4 + O2 → CO2 + H2O. I hope it helps you. When 1.00 g of … B. 7 answers. New questions in Chemistry. 4Na(s) + O2(g) → 2Na2O(s) 0 0. 4 sodium, two oxygen on both sides, so the equation is balanced. How many moles of Na are required to produce 1.00 mole of Na2O? Too make it easier to read, multiply everything by 2. 1 decade ago. Trending Questions. Convert whatever you have to mols. oxygen. The question is? The reaction of aqueous iron(III) bromide and aqueous lithium phosphate is represented by the balanced ionic equation. Ar values: O = 16, Na = 23. please help I'm really struggling. … 4Na + O2---> 2Na2O. d. How many grams of Na2O could be produced from 5.15 g of Na? How many grams of sodium oxide can be synthesized from 17.4 g of sodium? Part B. Using the coefficients in the balanced … Balance the following equation- Na + O2 Na2O - 11983972 anjanaanilpriya anjanaanilpriya 24.08.2019 Chemistry Secondary School Balance the following equation- Na + O2 Na2O 2 See answers darknight07 darknight07 hey buddy. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Na2O(s) + Cl2(g) --> NaCl(s) + O2(g) 2Na2O(s) + Cl2(g)--> 2NaCl(s) + O2(g) 2Na2O(s) + 2Cl2(g)--> 4NaCl(s) + O2(g) 2 See answers smmwaite smmwaite Answer: 2Na₂O₍s₎+ 2Cl₂₍g₎⇒4 NaCl₍s₎ +O₂₍g₎ Explanation: The more reactive chlorine gas displaces the … In this case, the molar mass of Na2O is approx 62 so mols = 2/62 = approx 0.03 but that's just a close guess. Assume that more than enough oxygen is present. The balanced equation is 4Na(s) + O2(g) → 2Na2O(s) Express your answer in grams to one decimal place. 3 years ago. What is the theoretical yeild of Na2O in grams from 9.0 mol of O2. 1. If 16.0 g of methane is allowed to react with 32.0 g of oxygen, what is the limiting reactant? 4Na(s) + O2(g) → 2Na2O(s) What is the overall equation for the reaction that produces NaCl and O2 from Na2O and Cl2? $$\rm 4Na_{(s)}\ +\ O_{2(g)}\ \rightarrow\ \rm 2Na_2O_{(s)} $$ The elements sodium and oxygen in the reactant side both have oxidation numbers of 0 since they are in their pure state. First, I had a balanced chemical equation (this is the important step; is it balanced… The molecular mass of natrium oxide is 61.98 g*mol^(-1). oxidation half-reaction: 4Na ---> 4Na+ + 4e- reduction half-reaction: O2 + 4e- ---> 2O2-1 0. 2 Answers. Now, we have 2g of Na2O. Trending Questions. 4Na + O2---> 2Na2O. Which chemical equation is balanced c.) Na+O2--->Na2O a.) If 5 mol natrium react, then 5/2 molxx61.98 g*mol^(-1) = 154.95 g natrium oxide should result. It can be balance by putting 2 in front of Na2O as shown below: Na + O2 - > 2Na2O … If a solid then mols = grams/molar mass = ?. e. How many molecules of Na2O could be produced from 2.40 g of Na? 2Na2O → 4Na + O2. Answer Save. Ar values: O = 16, Na = 23. please help I'm really struggling. The reaction between sodium (Na) and oxygen gas (O2) produced sodium oxide (Na2O). so now try 2Na + O2 --> 2 Na2O. Find g of Na2O: Question. Which of the following equations is balanced? The molar mass of Na2O is 2*22.9898+15.9994=61.9790g. 15.5g Explanation: 1. Ag + NaNO3 → AgNO3 + Na Mn + CaO … Assume that more than enough oxygen is present. Name the compound that gets oxidised in the following reaction: 4Na + O2 gives 2Na2O Sodium (Na) gains oxygen and gets oxidised to sodium oxide (Na 2 O). Related Questions & Answers What is more dangerous, biohazard or radioactivity? In the following reaction, when 91.6 g of Na reacts with 32.0 g of O2, 123.6 g of Na2O is formed.4Na(s) + O2(g) → 2Na2O(s) true. Which of the following materials will burn baby fastest in open air. 4Na+O2----->2Na2O. The Balanced Equation Is: 4Na(s) + O2(g) → 2Na2O(s) This problem has been solved! Fe3+(aq) + 3Br-(aq) … H2O. 4Na + O2 → 2Na2O. Favorite Answer. Anonymous. This is illustrated below: 4Na + O2 - > 2Na2O Molar Mass of Na = 23g/mol Mass of Na from the balanced equation = 4 x 23 = 92g Molar Mass of of Na2O = (23x2) + 16 = 46 + 16 = 62g/mol … The reaction is described by the following balanced … 2Na+O2--->2Na2O d.)2Na + 2O2--->2Na2O b.) Input Equation Balanced Equation; 4NH3+7O2=4NO2+6H2O: 4NH3 + 7O2 = 4NO2 + 6H2O: 4NH3+7O2=4NO2+6H2O: 4NH3 + 7O2 = 4NO2 + 6H2O: 4Na + 8Cl2 = NaCl: 2Na + Cl2 = 2NaCl Deandre Levy Net Worth, You've got two O on the left, so you must have two on the right: Na + O2 → 2 Na2O. Ask Question + 100. Fe2O3 + H2 → 2Fe + 3H2O. oxygen. Expert Answer 100% (1 rating) Balanced … The balanced equation is . Lv 7. 4Na + O2 - > 2Na2O Now the equation is balanced. Help ASAP on … On the products side, since there is a coefficient of 2, we add 2 to both atoms on the products side. Sergeant Major! If a solution then mols = M x L = ? This means Sodium (Na) would now have 4 atoms, and Oxygen (O) would have 2. Join Yahoo Answers and get 100 points today. How many grams of sodium oxide can be synthesized from 17.4 g of sodium? 2H2 + O2 arrow 4H2O b. Write and balance the equation. 2) Zn + HNO3 - … To balance this, we just add a 2 in front of the Na2O on the right side, and a 4 in front of the Na on the left side: 4Na+O2 ---> 2Na2O. 2h2 + o2 → 4h2o 4na + o2 → 2na2o fe2o3 + h2 → 2fe + 3h2o ch4 + o2 → co2 + h2o - edu-answer.com A pile of small splinters made from a 2 foot diameter log . HELP! Explanation: how it should be 2H2 + 2O2 → 4H2O 4Na + O2 → 2Na2O-----correct Fe2O3 + 3H2 → 2Fe + 3H2O CH4 + 2O2 → CO2 + 2H2O. Explanation: On the reactants side, there are 4 Sodium atoms and 2 Oxygen atoms. Top Answer 4Na + O2 → 2Na2O. Answer Save. b. This yield is the amount produced if all the reactant is consumed. Answer to: Sodium reacts with oxygen to form sodium oxide and has the following balanced chemical equation: 4Na + O2 to 2Na2O. How to solve: Which of the following equations is balanced? In a reaction chamber, 3.0mol of aluminum is mixed with 5.3mol Cl2 and reacts. 2H2 + O2 → 4H2O 4Na + O2 → 2Na2O. also please try to explain it to the simplest form because I really don't . So rubbing … Step 2. Join. You have Na2 on the right, so you need two Na's on the left. Chemistry. Trevor H. Lv 7. → MgO + H2. 2.55 mol Na (2 mol Na2O / 4 mol Na) ( 61.98 g / 1 mol ) = 79.02 g Na2O Percent yield = 75.0 / 79.02 x 100 = 94.91% . 3O2. 4Na + O2 -----> 4Na(1+) +2O(2-) {2Na2O} 0 0. 5 answers. Limiting Reactant: The limiting reactant of a reaction is the reactant that is first to be consumed in the reaction. The balanced equation is: 4Na(s) + O2(g) → 2Na2O(s) Expert Answer 100% (21 ratings) Molar mass of Na = 22.99 g/mol mass(Na)= 17.4 g we have … also please try to explain it to the simplest form because I really don't . To obtain the mass of the product formed from 11.5g of sodium (Na), first, let us obtain the masses formed from the balanced equation. 2Na + O2 --> Na2 O. Get your answers by asking now. Which of the following equations is balanced? → Mg(OH)2 H2 H2O NaOH. 2Na + (1/2) O2 --> Na2 O . And you all going to die, every last one of you! 4 Na + O2 … a. chemistry. Now, the equation has 4 sodium atoms on one side, and only 2 on the other, while the oxygen count is right. ★★★ Correct answer to the question: Which of the following equations is balanced? So now try 2Na + ( 1/2 ) O2 -- -- - 2O2-1! Products side, there are 4 sodium atoms and 2 oxygen atoms +. 4Na + O2 ( g ) → 2Na2O and aqueous lithium phosphate is represented by the of... 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