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please check if those are right. also is the 3rd one suppose to be a positive...
From the following balanced equation, 4 NH3(g) + 50,(9) — 4 NO(g) + 6H20(1) how many moles of H,O can be formed when 4.0 mol NH, react with 4.5 mol 0,? Select the correct answer below: O 4.0 mol O 4.5 mol O 5.4 mol O 6.0 mol What is the mass, in grams, of 3.80 moles C2H6? Provide your answer below: When 5.58 g 0, react by the following balanced equation, 3.28 g H,O are formed. What is the...
please check to make sure your answer is right no one has
gotten this one right for me so far!
+ -/U.1 points U/4 Submissions Used (a) Select all of the correct statements about reaction rates from the choices below. The lower the rate of a reaction the longer it takes to reach completion. Reaction rate constants decrease with increasing temperature. Fast reactions can be slowed down by lowering the temperature. As a reaction progresses its rate goes down. A...
What is the percent yield of water if we start with 5 g C, Hg and produce 6.13 g H,O? The end point in a titration of a 58 mL sample of aqueous HCl was reached by the addition of 25 mL of 0.83 M NaOH titrant. The reaction proceeds by the following equation. C3H8 +502 — 3CO2 + 4H20 Select the correct answer below: HCl(aq) + NaOH(aq) + NaCl(aq) + H2O(1) 0 63.905 What is the molar concentration of...
Predict the molecular structure around the carbon labeled 1 in acetone, whose Lewis structure is drawn below. :0: H H xx H H HH Select the correct answer below: Tetrahedral Trigonal pyramidal Bent Trigonal planar When 5.58 g H, react by the following balanced equation, 32.8 g H,O are formed. What is the percent yield of the reaction? -> 2 H2O(9) 2 H (9) + 0,(9) • Your answer should have three significant figures. Provide your answer below: Calculate the...
please number and write the correct answer
Ar have a total pressure of 1.6 bar. What is the partial 17. A mixture of 100 g of Ne and 10.0 Ne? a) 0.40 bar b) 1.1 bar c) 0.54 bar GP 0.80 bar e) 1.3 bar 18. A sample of N, effuses in 255 s. How long will the same size sample of Cl2 take to effuser c12 a) 388 5 b) 1555 c) 247 s d) 406 5 e) 6455...
CIUT u yuduun U NICIUNILS III Uruer separareu uy Lunds (e.y., 4, 4,,, WITTU Micas le ausence ui a cuencie). Learning Goal: To balance oxidation-reduction equations that occur in solution. View Available Hint(s) Coefficients of MnO, Fe2+, Mn2+ Fe3+ - 1,5,1,5 It is one thing to balance an oxidation-reduction (redox) reaction when you are given the full unbalanced equation, and quite another when you are given only certain parts of it. In this problem, you will be given some information...
XeO3 + __NaOH(aq) + O3 ---> 4Na^+ + XeO6^4- + __ + __H2O
Please help find the missing part of this reaction, I believe
it to just be OH- but am unsure, as well as the mechanisms for the
reaction.
Complete the 3 Lewis dot structures for O, below. Add Ione pairs and atomic charges where needed. (Multiple bonds have been added already.) The first two structures are resonance forms. The third is a 50/50 blend of the first two...
can i get help answering these questions please i cant seem to
undestand how to solve
Find the equation of the regression line for the given data. The construct a scatter plot of the data and draw the regression in Each of the has a signifantomation) Then use the regression in to pred value ofy for each of the given to meaning. The color content and the sodium content in migrans) forte he dogs are shown in the late to...
POGIL-Stoichiometry How do chemists use balanced chemical equations? got bit D 23 mosquitoes? 10 He got Mol-aria Why? Chemists use balanced chemical equations as a basis to calculate how much reactant is needed or product is formed in a reaction. This is called Stoichiometry- (stoi-key-ah-meh-tree) Another way of looking at it is using the mole ratio from the balanced equation and information about one compound in the reaction to determine information about another compound in the equation. A mole ratio...
homework help please. graphs attached
Question Help Suppose that a recent pol found that 40% of adults in a certain country believe that the prevall state of moral values is poor if a survey of a random sample of 15 adults in this country is conducted in which they are asked to disclose their feelings on the overal state of moral values, complete parts al through te below Cck here to view the other p ladsen Click here to view...