Chemistry, 11.11.2020 05:40 nickname0097
The reaction between hydrochloric acid and aluminum produces hydrogen gas and aluminum chloride. How many moles of H2 can be obtained when 7.60 mol HCl reacts with an excess of Al ? 6HCl+2Al⟶3H2+2AlCl3
Answers: 2
Chemistry, 22.06.2019 07:20
Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done
Answers: 1
Chemistry, 22.06.2019 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
Answers: 1
Chemistry, 22.06.2019 16:00
1. an experiment in your science class lists the materials needed for the lab. it is your job, as a lab partner, to measure out 25 ml of distilled water and 2.5 grams of magnesium. what lab measuring tools would you choose to measure each substance and how would you use each tool to get the correct amounts? be sure to describe the process you would follow step-by-step. (5 points) 2.which of the following is an si base unit for measuring mass? (2 points) ampere gram meter pound 3.which of the following is an si base unit for time? (2 points) decades hours minutes seconds 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer. 5.a pencil beside a metric ruler. the ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. one end of the pencil is beside the 0 on the ruler, and the pencil point is beside the 5. which of the following measurements is accurate but not precise? (2 points) 5 mm 5 cm 50 mm 50 cm 6. which of the following prefixes represents the largest value? (2 points) giga hector kilo milli 7. which of the following types of graphs is best for plotting the percentages of a whole value in a data set? (2 points) bar graph circle graph histogram line graph
Answers: 1
The reaction between hydrochloric acid and aluminum produces hydrogen gas and aluminum chloride. How...
Mathematics, 24.09.2020 15:01
Mathematics, 24.09.2020 15:01
Mathematics, 24.09.2020 15:01
Physics, 24.09.2020 15:01
Social Studies, 24.09.2020 15:01
Geography, 24.09.2020 15:01
Engineering, 24.09.2020 15:01
Health, 24.09.2020 15:01
Biology, 24.09.2020 15:01
Biology, 24.09.2020 15:01
Geography, 24.09.2020 15:01