subject
Chemistry, 28.08.2019 21:20 swello1937

Perform the calculation and record the answer with the correct number of significant figures.
(6.5 - 6.28)
4.71


Perform the calculation and record the answer with the correct number of significant figures.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 17:30
One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 Ă— 1023 atoms 6 Ă— 1023 atoms 66 atoms 65 atoms
Answers: 1
question
Chemistry, 22.06.2019 09:00
Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
Answers: 3
question
Chemistry, 22.06.2019 09:00
The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.
Answers: 2
question
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
You know the right answer?
Perform the calculation and record the answer with the correct number of significant figures.
...
Questions
question
Mathematics, 24.03.2020 19:33