In the phet simulation, click the green + symbol to expand the net charge tab. drag protons, neutrons, and electrons and notice how this affects the information displayed in the tab. for extra conceptual practice, click on the game menu and test your knowledge on the first difficulty rating. rank the atoms based on charge from most negative to most positive.
rank the following atoms from most negative to most positive charge. to rank items as equivalent, overlap them.
a) 9 protons, 11 neutrons, 10 electrons
b) 4 protons, 4 neutrons, 2 electrons
c) 8 protons, 8 neutrons, 10 electrons
d) 3 protons, 3 neutrons, 3 electrons
e) 1 proton, 0 neutrons, 0 electrons
Answers: 1
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 23.06.2019 06:00
Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
Answers: 2
Chemistry, 23.06.2019 13:00
Write the balanced chemical reaction for the formation of fe2(so4)3 from fe2o3 and so3 and determine how many moles of fe2(so4)3 are formed when 12.7 mol of so3 are reacted.
Answers: 1
In the phet simulation, click the green + symbol to expand the net charge tab. drag protons, neutron...
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