2.20 (3)(35) Express your answer using the correct number of significant figures.

Q: c. You make a 100 mL, 1 mM solution of glycine in water using a balance with an uncertainty of 0.1…

A:

Q: Vancomycin hydrochloride is to be administered to a 2-year-old patient weighing 30 lb for the…

A: Given information: Weight of patient = 30 lb Dosage = 5 mg/kg four times a day

Q: What is the Density of Cl2 is represented by 18.8L at 2.68atm 23.9°C   Express your answer to  2…

A:

Q: 3) Water is placed into a separatory funnel along with one of the following liquids: diethyl ether…

A: In a separatory funnel, the distribution of liquids take place depending upon their density value.…

Q: How many significant figures are there in the answer to the following problem?   (24.6681 x 2.38) +…

A: Significant figures are essential in any science field, especially for people in research. They give…

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: For the class of hydrocarbons, we are given the general formula also, we are given that n=5

Q: The image below illustrate the complete separation. True or False? O True False

A: In the given image it is clear that there are three type of molecules: Red ones Blue ones And black…

Q: percentage of matter

A:

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A:

Q: What is the uncertainty in the measured value 12.37040 after it is rounded to the following number…

A: Significant figures- Uncertainty in measured value leads to uncertainty in calculated results.…

Q: Which of the following represents the precision of a set of measurements?   A student used water…

A: Given: mean = 2.763 g/mL standard deviation = 0.026 g/mL

Q: In which pair of numbers do both values contain three significant figures? 540 and 544 50.4 and…

A: Rules for significant figures: 1. All non-zero digits are significant. 2. leading zeroes are not…

Q: What is the mass of the following? a. 25g iodine; density=4.93g/cm³ b. 1000 mL octane;…

A:

Q: 1.The literature for a pharmaceutical product states that 26 patients of the 2, 103 enrolled in the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Compute 4.659 × 10ª – 2.14 × 10ª. Round the answer appropriately. Express your answer as an integer…

A: We have to compute given equation .

Q: 2×10−5)(5.09×104) (7.70×10−8)   Above is listed as a fraction

A: Applying concept of significant figures.

Q: The conversion factor relating feet to meters is 1 ft = 0.305 m. Keep in mind that when using…

A: given, conversion of feet t meters 1ft = 0.305 m

Q: I. BOILING POINT ELEVATION: The temperature of a boiling 50 mL of distilled water in an Erlenmeyer…

A: When a non-volatile solute is added to a solvent the boiling point of the resultant solution is…

Q: The smallest bone in the human body, which is in the ear, has a mass of  0.0030 g. what is the mass…

A: Given, The smallest bone in the human body which is the ear, has a mass of 0.0030 g mass of bone in…

Q: Vorksheet 3: Dimensional Analysis Common brass is a copper (Cu) and zinc (Zn) alloy containing 63.0%…

A: In the given question we have to convert the percent Copper (Cu) by mass.  given data:  63.0% copper…

Q: A sailor on a trans-Pacific solo voyage notices one day that if he puts 735.mL of fresh water into a…

A: Calculate the mass of freshwater:

Q: In the UV assay of paracetamol you are required to weigh tablet powder “…containing 0.150 g of…

A: Answer : 1 tablet should contain  500 mg of paracetamol so  20 tablet contains  = 500*20 = 10000 mg…

Q: When the coffee is brewed according to directions, a pound of coffee beans yields 50 cups of coffee…

A: According to the gein direction, a pound of coffee beans yields 50 cups of coffee. The total cup of…

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: Part A pH 9.0 Express your answer using one significant figure. (H3O*] = M Submit Request Answer…

A: The pH of a solution measures the hydrogen ion concentration on the negative logarithm scale. It can…

Q: Is the use of significant figures in each of the following statementsappropriate? (a) The 2005…

A: Hey since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: The mass unit associated with density is usually grams. If the volume (in mL or cm) is multiplied by…

A: Volume and density of marshmallow are given whose mass is to be determined in grams.

Q: In the UV assay of paracetamol you are required to weigh tablet powder “…containing 0.150 g of…

A: Answer : weight of 1 tablet = mass of tablet  /  no. of tablet  = 11.223/20 = 0.56115 g as 1 mg =…

Q: #2 12.99 12.99 12.99 31.30 3770 3853 24.31 24.71 25.54 24.85 15] Mass of empty Beaker 16] Mass of…

A: Density is defined as mass of substance contained in per unit volume of that substance. Its unit is…

Q: Ethyl alcohol, also known as ethanol, has a density of 0.79 g/mL. What is the volume, in quarts, of…

A: Given : Density of ethanol = 0.79 g/mL And mass of ethanol = 3.25 Kg

Q: If a regulation "fast -pitch" softball (188g; spherical in shape) has a circumference of 30.5cm at…

A:

Q: A conversion factor is a fraction with one unit on top and a different unit on the bottom. True…

A: Answer Conversion of Fractions means to change the…

Q: Express the answers to the following operations with the proper number of significant figures. A.…

A: In addition and subtraction, the answer should be in the significant figures that are minimum for…

Q: In a certain population, body weights are normally distributed with a mean of 152 pounds and a…

A: To find people must be surveyed if we want to estimate the percentage:

Q: Use the data set below to answer the following question. This is a fictitious data set, so no units…

A:

Q: Indicate whether the following statement is true or false. When the measured number 21.5055 is…

A: The rules for rounding off numbers are:Examine the digit following (i.e., to the right of) the digit…

Q: сак 3 '२ 5 = 3 ax² a) (R+ ŝ) { x² + 1 ) ( X4 X b) R Ŝfin and ŜR f(x) = (C) R Ŝ fex) - ŜR Fex)

A:

Q: Perform the following calculations, and report numbers with correct significant figures:  (6.626 x…

A:

Q: Pluto's gravity is 0.7 ms2 and Neptune's gravity is 11.0 ms2. On which planet or dwarf planet would…

A: Option C is correct. ( No difference )

Q: A group of students took turns using a laboratory balanceto weigh the water contained in a beaker.…

A: A group of students took turns using a laboratory balance to weigh the water contained in a beaker.…

Q: How do I solve the following problem with the proper number of significant figures? Mainly parts E…

A: Significant figures  are digits in the number that are reliable and necessary to indicate the…

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A: Here given that, The density of platinum (d) = 19.32 g/cm3  And the mass of the cube (W) = 1.0 kg =…

Q: A 1-4.1.1 Bone x O Emmaree Her x A 1ST STOP - C X O Emmaree Her X AChemistry -7 x O L- Unit 5.1 Te x…

A: Given :  Partial pressure of O2 = 40.0 atm Partial pressure of N2 = 5.0 atm Partial pressure of He =…

Q: Consider this formula. If z = 4.0 and y = 9.2, what is the value of x? Express your answer to the…

A: Any final computation of a result must indicate the extent of reliability to be assigned to result…

Q: Part A Si Express your answers as integers separated by commas. ? • Part B Cr Express your answers…

A:

Q: In determining the density of a rectangular wooden block, use the information in the table below and…

A: Concept introduction: Density of the substance is equal to the ratio of mass to volume. Formula:…

Q: What is the number of significant figures does the sum of the following contain   + 5.652 , the…

A: The operations given are, 1) 1 + 5.652  2) 0.3 + 5.652

Q: The mass of a compound is taken 5 times with the following results: 26.6mg, 26.3mg, 26.2mg, 26.4mg,…

A: First, the mean of the given result is determined.

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.