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  • Chem help?

    Your Answer: 
    1. Silver nitrate can react with potassium chloride in aqueous solution to produce a silver chloride precipitate. The reaction of 250 mL of silver nitrate with excess aqueous potassium chloride produces 15.0 g of precipitate. The concentration of the silver nitrate solution is? 2. Calculate the hydroxide ion concentration in a 0.010 M solution of... show more
    1 hour ago
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  • The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the reaction is 0.75^-1?

    Your Answer: 
    The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the reaction is 0.75^-1 What is the concentration (mol/L) of reactant after 1.5 s?
    1 hour ago
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  • Balance the following oxidation-reduction reactions using the half-reaction method:?

    Your Answer: 
    1) NaBr + Cl2 → NaCl + Br2 2) Fe2O3 + CO → Fe + CO2
    1 hour ago
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  • Calculate molecular formula?

    Your Answer: 
    CH2O=Empirical formula Molar mass = 90.079 Calculate molecular formula is it A, C3H6O2 B,C4H4O4 C,C3H6O3 D, C6H12O6
    2 hours ago
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  • What will the empirical formula be?

    Your Answer: 
    6.98g C 0.585g H2 4.65g O2 will it be A, C2H2O B, CHO C, C3H2O D, CHO2 E, CH20
    2 hours ago
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  • Determining of phophoric acid content in soft drinks?

    Your Answer: 
    Recently did a lab on determination of phosphoric acid content in soft drinks. When I did the calculations and the Beer's law plot, the linear relationship was strong so overall the experiment went as it should. The end of my report is asking what I would do differently if I conducted the experiment again, but it went well so I don't know... show more
    2 hours ago
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  • What is the specific heat capacity of this metal?

    Your Answer: 
    If a 6.5 gram mass of metal that is heated to 97.2 celsius, is placed in 50 g water (Cp 4.184) that starts at 22.4 celsius, and reaches equilibrium temperature at 32.4 celsius.
    2 hours ago
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  • Orbital diagram... Why do these electrons behave like this?

    Your Answer: 
    I'm in 10th grade, so please no fancy explanations here.. I wanna know why the 3p 4 occupies 3 squares, not 2.. And how do I know when it's going to be like this ? Because in other situations, htey all are occupied.
    4 hours ago
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  • How to convert volume to gram?

    Your Answer: 
    5 hours ago
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  • Noble gases are stable because?

    Your Answer: 
    5 hours ago
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  • PLEASE HELP CHM2 QUESTION?

    Your Answer: 
    Determine the equilibrium constant for the following reaction at 298K 2Hg(g) + O2(g) -> 2HgO(s) deltaH°= -304.2kJ; deltaS°= -414.2J/K Is there any other way to solve WITHOUT using deltaG= -2.303RT log10K ????
    5 hours ago
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  • Please Help..?

    Your Answer: 
    Q: If the pH of the stomach is 1.0 and the volume of the stomach is one liter, how many grams of milk of magnesia will be required to raise the pH of the stomach to 3.0
    6 hours ago
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  • I have this assignment on antacid but I have found no balanced equation, I would truly much appreciate some help.?

    Your Answer: 
    Q: write the balanced equation for the reaction of 1 mole of the active ingredient in Rolaids with excess H+ ion
    7 hours ago
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  • What indicator used for calcium hydroxide and nitric acid titration?

    Your Answer: 
    What indicator can I use for a calcium hydroxide 0.1moldm-3 and an unknow concentration of nitric acid
    7 hours ago
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