Using the proper chemical equation, how much KClO3 ,in grams
would you need to provide enough oxygen to meet the needs of 1
person for one week?
2KClO3 = 2KCl+3O2
Using the proper chemical equation, how much KClO3 ,in grams would you need to provide enough...
Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s) . The equation for the reaction is 2KClO3⟶2KCl+3O2 Calculate how many grams of O2(g) can be produced from heating 70.4 g KClO3(s) STRATEGY: Convert the mass of KClO3 to moles. Convert the number of moles of KClO3 to the number of moles of O2 . Convert the number of moles of O2 to grams. Step 1: 70.4 g KClO3 is equal to 0.574 mol KClO3...
1) If the percent yield for the following reaction 80.0%, how many grams of KClO3 are needed to produce 42.0 g of O2? 2 KClO3 (s) > 2 KCl (s) + 3O2 (g) A) 134g B) 10.5g C) 63.0g D) 62.5g 2) 5.0g of nitrogen is reacted with 5.0 g of hydrogen to produce ammonia according to the chemical equation shown below. Which one of the following statements is false? N2 (g) + 3 H2 (g) > 2 NH3 (g)...
Q1 :- For the reaction shown, calculate how many grams of oxygen form when each quantity of reactant completely reacts. 2HgO(s)→2Hg(l)+O2(g) (C) 1.73 kgHgO (D) 3.60 mgHgO Q2:- For the reaction 2KClO3(s)→2KCl(s)+3O2(g) calculate how many grams of oxygen form when each quantity of reactant completely reacts. You may want to reference (Pages 253 - 256) Section 8.4 while completing this problem. A - 2.66 gKClO3 B- 0.400 gKClO3 C- 80.0 kgKClO3 D- 20.8 mgKClO3 Q3:- Sulfuric acid can dissolve aluminum...
Q. 1 If you use 3 mol of KClO3 then how many mole of O2 will produce according to the balance equation 2KClO3 ------à 2KCl + 3 O2 Q. 2 How many moles of water H2O are in 75.0 g water? Q. 3 One mole of any substance has how many particles? Q. 4 One mole of Helium gas weighs Q. 5 Calculate the molar mass of Na3PO4 ( Q 6 -8) Iron oxide...
If I tell you that KClO3 and BaCl2 are correct chemical formulas, then how would I correctly write the formula of a new compound that results from these cations and anions switching partners? A. Ba(ClO3)2 B. Ba2(ClO3)3 C. BaClO3 D. Ba2ClO3 E. none of the above
Mg + O2 ——> 2MgO Using the above balanced chemical equation, if a 0.23 g strip of magnesium is completely reacted…. a. How many grams of oxygen would be required to complete the reaction? b. How many grams of magnesium oxide would be formed? Note that this is called the theoretical yield of a reaction…in other words, based on a calculation, how much of a given product is theoretically possible.
How do you determine what is a proper Lineweaver-Burk equation? why would a equation such as y= 5.04x10^-8x -0.0028 not be considered a proper Lineweaver-burk equation? how would one determine if its a proper LwB equation or not?
11. How many grams of ammonia (NH3) would you need to dissolve in enough water to make exactly 450 mL of solution with a pH of 10.00? (Kb =1.8x10-5) How is the answer 0.00502 g? please explain each step
Using the below chemical equation, how many moles of magnesium are needed to react with 0.10 moles of oxygen gas? The molar mass of oxygen gas is 31.998 grams per mole and the molar mass of magnesium is 24.305 grams per mole. Make sure to include the correct unit symbol with the answer choice. 2Mg + O2 →→ 2MgO
QUESTION 5 How many grams of Tricine (MW = 179) would you need to make 300 mL of a 20 mM solution? QUESTION 6 How many grams of Tricine (MW = 179) would you need to make 50 mL of a 10 UM solution? QUESTION 7 How many grams of magnesium chloride (x6H2O) are contained in 250 mL of a 0.1 M solution? QUESTION 8 How many grams of sucrose (MW 342) are contained in 250 mL of a 0.1...