(5 × 10-)(1.05 ×x 10) (8.24 x 10-8)

Q: 6. A patient will receive 400 mg of a drug that has been put in a 250 ml IV bag. The rate of the…

A: Given : Mass of drug = 400 mg Volume of bag = 250 ml  Rate of drug administration = 375 mcg per…

Q: Question 15 Which among the following is an equivalent of 0.01%? O 100 ppm O 100 ppb O 0.000001 ppm…

A: 0.01%=0.01×1/100               = 10-4 1ppm=10-6 So,  100 ppm= 100×10-6 = 10-4 Thus 0.01%=100 ppm…

Q: Perform calculation, and give an answer with the correct number of significant figure

A: The significant figure is the number of digits that are considered to have a reliable data source.…

Q: You decide you want to carry a boulder home from the beach. It is 30 centimeters on each side, and…

A: It is given that, volume=27000 cm3Density of granite=2.8 g/cm3Weight of the bulder can be calculated…

Q: What is the volume (in cm3) of a 36.7 g piece of metal with a density of 6.95 g/cm3? Group of answer…

A: Density of a substance is the ratio of mass of the substance to its volume. ---------------- (1) By…

Q: Compute 3.5 x 4.48697. Round the answer appropriately. Express your answer numerically using the…

A: in a numerical value, the number of meaningful digits are known as significant figures.

Q: A quarter is found to have a mass of 6.00 grams. Using unit analysis, show what the mass of this…

A: • The values provided in the question are:-      i) Mass of a quarter = 6.00 g    • We need to…

Q: Suppose that, from measurements in a microscope, you determine that a certain layer of graphene…

A:

Q: The radius of a dust speck is 4.5 * 10-3 mm. What is the correct value of thisnumber in decimal…

A: Given The radius of a dust speck  = 4.5 x 10-3 mm

Q: An electric current of 209.0 mA flows for 58.0 minutes. Calculate the amount of electric charge…

A:

Q: Which of the following measurements corresponds to the buret shown in Figure PSS.3 having an…

A: The measurement which corresponds to the burette given in Figure PSS.3 having an uncertainty of…

Q: What is the area of the shaded region? 32.1 km 32.1 km 21.4 km 21.4 km Write your answer as a whole…

A:

Q: Need help with this textbook question thats been giving me hard time. Please show steps. calculate…

A: Given question, ln3.861.00=362.8×1038.314298.1-1-x-1 To convert ln into log, we have to multiply it…

Q: Give the number of significant figures for 3.8 m. Express your answer as an integer.

A: Significant figures are the number that is used to denote the meaningful digits with respect to…

Q: Part A How many significant figures are in each number? 0.1 s O 4 2 3 6 7 The number of significant…

A: Rules for identifying significant figures:  1. The digits except zero are always significant 2. The…

Q: 9.0x10-2 M NaBrO. Express your answer using two significant figures. ΑΣφ [OH ] = %3D

A:

Q: An irregularly-shaped, compact solid weighs 15.0 grams. By water displacement method using a…

A:

Q: How many significant figures are in the answer to the following problem? (23.9-15.246)/0.841 3 O 2 O…

A: The number of significant figures in the product of the calculation is the minimum number of…

Q: QUESTION 5 Match the following measurements with the correct units / system v A value of 225 K is a…

A: Metric system  A metric system is a system of measurement that succeeded the decimalised system…

Q: Part A Compute 3.5 x 4.48697. Round the answer appropriately. Express your answer numerically using…

A: # Part-A: The given multiplication is 3.5 * 4.48697 When we multiply or divide two or more numbers,…

Q: proposed multiplication or division Is this possible? result |yes 1.0 g)- (0.034 kg) = ? %3D no 8.0…

A: Multiplying/dividing two or more physical quantities does not require them to have the same…

Q: ow many significant figures are there in the number 0.032020?   Group of answer choices a) 4 b) 6…

A: The significant figures can be defined as the digits in the given number that carry some meaning and…

Q: what is significant figures of 6.5784125×10^ -1 ? what is significant figures of 6.5784125×10^ -2 ?…

A: Rules for significant figure All non zero integer are significant Exact number have unlimited…

Q: You have three objects of varying shapes and sizes: Object 1 is a rectangular block of tin. Object 2…

A:

Q: Write the correct answer (significant figures) for the following calculation  2.45 * (57.01-…

A:

Q: how many significant figures does 40.005 760  have

A: The question is based on concept of significant figures. we have to identify number of significant…

Q: Consider the results of the archery contest shown in this figure.(a) Which archer is most…

A: a)

Q: Question 11 Which of the following is a correct way of reporting the number 0.0020510 to two…

A: The significant figures of a number written in positional notation are digits that carry meaningful…

Q: 0.17 M NaCl Express your answer to two decimal places. pH =

A:

Q: What is the answer of following calculation using the proper number of significant figures? 34.876…

A: The significant figure for the above given is

Q: Part A How many significant figures are in each number? 0.1 s 4 1 3 6. 7 The number of significant…

A: All the zeros after decimal are not counted as significant figures if there is no non-zero number…

Q: If a snail crawls at a rate of 425.96 cm/s, what is its speed in miles per hou the unit. Hint:…

A:

Q: Mass (grams) 2 8 9 2 BO 60 Mass versus Volume for Copper 1.50 3.00 6.00 Volume (cubic centimeters)…

A: In the given question a graph is given and we are asked to answer the x-axis , the y-axis and the…

Q: You have decided to try a new video game called World of Alchemist Hordes (WoAH) and created a…

A: The given relationship between degree Vacius (°V) and degree Arwenheit (°A) is, A∘=° V-534.1

Q: where did 6.022x10^23 came from in step 2 for this question

A: For the given problem: The number of moles of PbI2 is calculated first. Now, 1 mole = 6.022 x 1023…

Q: What would be the correct reading, with the correct estimated digit, when using a ruler that has…

A: Significant figures are the number of digits in a value that contribute to the degree of accuracy of…

Q: If 20.0 Cal make an ounce, how many ounces of formula should a baby drink per day of the energy need…

A: Given data 20.0 cal = 1 ounce energy need per day = 1.50 x 103 cal

Q: [Refere It is sometimes necessary to take powers or roots to solve chemistry problems. Take powers…

A:

Q: How many significant figures does 3.005 have?

A: Digits which are responsible for contributing the degree of accuracy of a value are called…

Q: Round the following according to the correct number of signigicant digit (0.120) (8.206 x…

A: Given data : Round the following according to the correct number of significant digit . (0.120)…

Q: A spherical steel ball has a mass of 3.475 g and a diameter of 9.40 mm. What is thedensity of the…

A: Given: mass = 3.475 g diameter = 9.40 mm = 0.940 cm radius = 0.47 cm

Q: What is the mass of Copper, with a 1 point volume of 2.9 cm^3? * Your answer

A: Given volume =2.9cm3 Density =8.9g/cm3 Mass=density×volume Mass=2.9×8.9=25.81gm

Q: 9, 8, 6. 10cm How long is the box shown in the diagram above? Number only 4)

A: In an experiment, one of key aspects that determines the results of he experiment is recording and…

Q: An irregularly-shaped, compact solid weighs 15.0 grams. By water displacement method using a…

A: Given :  Mass of solid = 15.0 g Initial volume reading of graduated cylinder (without solid)=25.0 mL…

Q: The Empire State building in New York City is approximately 1250 ft tall. How many U.S. half dollars…

A: 1 foot length has 304.8mm.1250 foot length has 381000mm.

Q: perform the follwing calculations to correct number of significant figures. show your work. a. 4.6…

A:

Q: Question 4 What is the result of the following calculation to the approprilate number of significant…

A:

Q: SAMPLE EXERCISE: Carry out the following mathematical operations, and give each result the correct…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Compute 9.3456 + 2140.56. Round the answer appropriately. Express your answer numerically using the…

A: As the rule says we have to round off to the least no. of decimal places while adding or…

Q: S. How close does the lightning have to strike for you to hear it 2.5 s after it strikes? Round to…

A: Given  time = 2.5 s

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.