K M. N. Problem Set # 1 Al O2 Al:O3 Ba(SO4)+ MgCl BaCl Mg(SO.) Zn H:(SO.) 3 0 Zn(SO.) H2 (Zn is +2)

Q: Depth                          1.2 cm Width                         1.2 cm                 3.Length…

A: Given : Depth = 1.2 cm  Width = 1.2 cm  And Length = 4.4 cm

Q: 5.00Mm to m

A: given: 5.00 mm  we have to convert milimeter to meter. now, 1000 mm = 1 m now we have to divide the…

Q: Given that three trials revealed the # of drops in 1.0 mL with a fine tip pipette were 19 drops, 23…

A: Average value of drop per milliliters can be calculated as follows-

Q: A human hair is 75 um across. How many inches is this? STARTING AMOUNT ADD FACTOR ANSWER RESET *( )…

A:

Q: A patient gets 2.2 L of fluid over 18 hours through an IV. The drop factor is 20 gtt/mL. rate=_____…

A: Volume of liquid = 2.2 LTime taken = 18 hoursDrop factor = 20 gtt/min

Q: My Data: 0.033 g/mL Class Data: 0.02904 g/mL 0.0256 g/mL Based on my results (0.033 g/mL), is the…

A: Measurements are taken repeatedly to confirm the value obtained and to ensure that findings are of…

Q: How many inches (in) are in 105 cm? 1 in 2.54 cm 1 cm = 0.01 m 50 in 40.12345 in 105 in 41.3 in

A: Conversion formula used in this question is,1 in = 2.54 cmSignificant rule is that in addition term,…

Q: How do I find the minimum density range?

A: Range represents the difference between the highest value of a data set and the lowest value of a…

Q: which balance is more precise one that weight cg or one that weighs mg

A: Centigram(cg): a unit of mass equal to 0.01 of a gram. milligram (mg): a unit of mass equal to 0.001…

Q: Is using excessive number of significant figures good or bad for clinicians?

A: The use of excessive number of significant figures good or bad for clinicians, answer is given…

Q: HETD 20°C JU 45 40 35

A: In this question we have to determine the exact volume of the liquid placed in the apparatus by…

Q: significant

A:

Q: In a graduated cylinder, if the lowest part of the liquid meniscus falls SLIGHTLY BELOW the line for…

A: The objective of this question is to determine the most accurate way to record the volume of a…

Q: A beaker is marked with 1mL lines for measuring volume. It is then filled with water such that the…

A: When we fill a container with a liquid, it generally forms a lower and an upper meniscus. The…

Q: Convert 0.74 A to nm

A:

Q: What is chemistry

A: Chemistry is defined as the branch of science which deals with the study of composition properties…

Q: Need help ! I need find the pounds, ounces and kilograms of this rock. I included a picture that…

A: The International System of Units, abbreviated as SI units, is the measurement in the metric system.…

Q: If 1in=2.54cm, how many centimeters are in 12.5? Be sure to answer the correct number of sig figs.

A: The required conversion factor is: 1 in = 2.54 cm  We have to convert 12.5 in into cm.

Q: Which of the following is an enantiomer of the top molecule (multiple answers)

A: Enantiomer: Enantiomers are stereoisomer with non-superimposable mirror images of each other. The…

Q: Round 0.054321 to 4 significant figures

A: If the last digit in the given number is greater than 5 , then we have to add 1 to second last digit…

Q: My height is 4’11

A: Given that : Height = 4'11 We know that 1 ft = 12 inches So, 4 ft = 12 x 4 = 48 inches And 4'11 = 48…

Q: Initial buret reading (A) = Final Buret reading (B) = Total volume used =

A: initial burette reading=9.6ml final burette reading=24.1ml

Q: Mark the statements which are correct. (Select all that apply.) 103 mg = 1010 ng 106 mg = 1012 ng…

A: 1 liter = 1000ml 1gm = 10^9 ng 1L =1dm^3

Q: Convert 9.4 mL to microliters

A:

Q: What is the approximate reading of hydrometer below?

A:

Q: is the structure of the product expected from the following reaction? CI heat PRODUCT CI

A: This is a 4n+2 cycloaddition reaction in the presence of heat. this is also called Diels-alder…

Q: [1.35 mm x (13.2 mm - 12)] =

A:

Q: Running at a rate of 6 mi/h uses 661 Calories in an hour. Convert this value to (a) J/h and (b)…

A: Given that running at 1 mile/hr uses 661 calories in an hour. So rate is 661 cal/hr.

Q: Which of the following weights would you expect to be suitable for weighing on an ordinary bathroom…

A: Most bathroom scales use pounds (lb) to measure weight.Hence, we will convert each unit to pounds.…

Q: 12. What is the specific gravity of object that has a density of 2.1 g/ml

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The 10-mL graduated cylindar has markings at 1 ml increments and 0.1 ml increments. If the bottom of…

A: The given appearatus is 10 mL graduated cylinder. Graduated increments 0.1 mL.

Q: Complete the table below. 20 dg =   g   cL = 2 L   Mm = 3000000 m 6000 ms =   s

A: Given that : We have to complete the table given below : 20 dg=  g cL=2 L Mm=3000000 m6000 ms=s…

Q: In a graduated cylinder, if the lowest part of the liquid meniscus falls SLIGHTLY BELOW the line for…

A: The objective of this question is to determine the best way to record the volume of a liquid in a…

Q: According to the figure on the right, which ruler would provide a more precise measurement of the…

A: According to the figure on the right, NICK ruler would provide a more precise measurement of the…

Q: Calculate the area of a rectangle in cm² with a width of 6.7 cm and height of 3.0 cm. Be sure to…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: Two particles in an atom may not be same. One could be more than other one. Which are these two…

A: Following are the appropriate answers of the given questions.

Q: Compare the surface area and volume of 1/8-inch, 1/4-inch, and 1/2-inch diameter rusty spheres using…

A: To calculate the Total area and total volume , we need radius of sphere . As we have given diameter…

Q: Pomegranate Juice Orange Juice White Grape Juice copyright 2010 www.sciencebob.com Which Juice is…

A:

Q: If l = 3, how many values of ml are possible? --

A:

Q: round to 3 significant figures  67,018,800

A: First convert this number into scientific form. Then rounded to 3 significant figures.

Q: A student estimated that the volume of a crucible was 28.6 mL. When the volume was accurately…

A:

Q: A bench press bar has a mass of 20.4 kg How many Ib is this?

A: Given :- mass = 20.4 kg  To convert :- kg to lb

Q: 94. Gasoline and water do not mix. Regular grade (87 octane) gasoline has a lower density (0.73…

A:

Q: A prescription of antibiotics for a 30lb child says to give 100mg three time daily. Is the dosage…

A: Here we need to find out Is it safe for a child of weight 30 lb to take 100 mg antibiotics three…

Q: For a chemistry class, a student's grades are weighted as follows: quizzes are 30%, exams are 40%,…

A: Solution -

Q: Can you put these lab instruments in order from most accurate to least accurate? (10 mL graduated…

A: We need to put the given lab instruments in order from most accurate to least accurate.  10 mL…

Q: This is a picture of a 100-mL graduated cylinder. The value for 'x' says 40 mL and the value for 'y'…

A: A graduated cylinder, also known as measuring cylinder or mixing cylinder is a common piece of…

Q: In a graduated cylinder, if the lowest part of the liquid meniscus falls SLIGHTLY ABOVE the line for…

A: Given, The lowest part of the liquid meniscus falls slightly above the line for 5.71 mL, and the…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.