To perform a stoichiometric calculation, enter an equation of a chemical reaction and press the Start button. The reactants and products, along with their coefficients will appear above. Enter any known value. The remaining values will automatically be calculated. 元素中的第一个字...
To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The balanced equation will appear above. Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F. ...
Reactions, in their vast numbers for the hundreds of thousands of compounds involved, often have similar fundamentals. Elements in the same group, for example, often form similar compounds and using similar reaction mechanisms. By studying categories ...
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Classify the following reaction: {eq}NH_3(g) + HCl(g) \to NH_4Cl(g) {/eq} a. combination b. decomposition c. single replacement d. double replacement Chemical reaction: A chemical reaction is a process that leads to ...
Given: 4NaO2 (s) + 2H2O (l) arrow 4NaOH (s) + 3O2 (g) A) If 155.8 grams of NaO2 are mixed with 175.1 grams of H2O, how many grams of O2 will form? B) How many grams of the excess reactant remain? Accord...
To calculate the limiting reagent, enter an equation of a chemical reaction and press the Start button. The reactants and products, along with their coefficients will appear above. Enter any known value for each reactant. The limiting reagent will be highlighted in red. T...
Enter the amount of any of the substances to determine the ideal amounts to maximize the theoretical yield of the reaction. To find the limiting and excess reagents when a non-ideal amount of each substance is used, you can use the limiting reactant calculator....
Equilibrium expression always requires or considers the chemical equation for the reaction. Without the correct chemical equation for the reaction, we will have no idea about the reactants and products and their relationship to the equilibrium expression. There is one thing tha...
Answer to: Determine whether Delta S is positive or negative for the following reaction. Pb(NO3)2(aq) + 2NH4Cl(aq) to 2NH4NO3(aq) + PbCl2(s) By...