Solubility in dilute NaOH Ceric nitrate test Compound CH3 Solubility in water Yellow to Red A. он OH Yellow to Red В. COOH Yellow COOH Yellow to Red D. HO, E. Unknown 1 F. Unknown 2 Yellow to Red Yellow Note: + meane enluhla/mierihla - meane not enluhlalimmierihla

Q: What is the mass of 2.50 mol of helium (He)? Use correct number of significant digits; the tolerance…

A: To calculate mass of helium: It is calculated as

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Take a look at this sketch, and then answer the questions below about the mass, volume and density…

A: Density of a substance is given by the ratio of mass to that of the volume.

Q: Express your answer to one significant figure. 1 g = Submit Part D 1 g = E| ΑΣΦ Express your answer…

A:

Q: 29. When a measuring scale is used properly to the limit of preci- sion, the last significant digit…

A: The value which is close the measurement to each other is known as precision.

Q: mass of ice = 50.0g  mass of water 200.0 g  T water = 50.00°C T ice =- 10 °C Final temp = 23.04…

A: Given the experimental final temperature, T = 23.04 oC Since water is at higher temperature, it will…

Q: 1. What is the density of a solid if a sample occupying a volume of 16.53 mL wei 85.4 g? 2. Why does…

A: Given: The mass of the solid is 85.4 g. The volume occupied is 16.53 mL.

Q: a) Perform the following operations with the proper number of significant digits in your answer. a.…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: Ban as Foster is an example of a dessert that is flambéed. One chef claims their Bananas Foster…

A:

Q: What is the formula weight of the compound? (Mg = 24.31 amu, Cl = 35.45 amu, O = 16 amu, H = 1.01…

A: Formula:  MgCl2.H2O Mass of Mg = 24.31amu Mass of Cl = 35.45amu Mass of H = 1.01 amu Mass of O = 16…

Q: 8.78x10 / 3.0x101%3D

A: Given that : We have to solve the following in scientific notation form :

Q: Calculate the density of a cube in the units of g/cm3 that has the density of 4.182g/in3  Use…

A: Rule for significant figure in Mathematical operation:(1) Addition and Substraction round by  the…

Q: A nice day in Aruba is usually around 25 °C. What is this temperature in units of Fahrenheit? O 45…

A: Temperature = 25 °CWe have to convert the given temperature from degree celcius to fahrenheit

Q: Significant Figures Practice Worksheet How many significant figures do the following numbers have?…

A: There are certain rules for finding significant figures. 1) Digits other than zero are always…

Q: An experimental procedure says to accurately weigh approximately 1 g of substance. Which of the…

A: Given : An experimental procedure says to accurately weigh approximately 1 g of substance.

Q: Convert 11,278 mm into units of m. Do not include units in your answer, just the number

A: One meter is equivalent to 1000 millimeters.

Q: hange the following measurement to the appropriate SI unit. The final unit required is shown to the…

A:

Q: A. Complete the table below. Use your knowledge on scientific notation and unit prefixes to complete…

A: Scientific notation is a way of expressing numbers in a more compact form. In scientific notation,…

Q: For many purposes we can treat nitrogen (N,) as an ideal gas at temperatures above its boiling point…

A: The pressure ,temperature and volume of a substance are inter related to each other

Q: Part B 54.6 g N2 Express your answer using three significant figures. VO AZ ΑΣΦ N = %3D Submit…

A: First of all calculate the moles of N2 by using formula - mole = mass/molar mass

Q: Final Question 13 of 20 (1 point) | Question Attempt: 1 of 1 Time Remaining: 53:18 Maryam V Multiply…

A: Step 1: Identify the correct number of significant figures when diving two valuesWhen diving two…

Q: References Use the References to access important values if needed for this question. Write each of…

A:

Q: The mass of gemstones and pearls is usually expressed in units called carats. One carat is equal to…

A: 1 carat = 200 mg Also, 1g = 1000mg

Q: Perform the following calculations. Round the answers. a. 24 m × 3.26 m   b. 120 m × 0.10 m   c.…

A: Given, a. 24 m × 3.26 m    b. 120 m × 0.10 m    c. 1.23 m × 2.0 m    d. 53.0 m × 1.53 m

Q: Explain why the mole is an important unit of measurement in Chemistry.

A: Given:MoleExplain why the mole is an important unit of measurement in chemistry.A mole is described…

Q: 4. Show the answers with appropriate number of significant figures. 39.9 а. 6.022 x1023 b. 0.0021 g…

A: In case of multiplication or division, the least number of significant figures in any number…

Q: QUESTION 2 In the diagram below, which box is likely to represent a sample of a compound? O A. Box A…

A: Element: The element is formed by only one type of atom. All the atoms in the element are the same.…

Q: A flask that weighs 345.80 g is filled with 225 mL of carbon tetrachloride. The mass of the flask…

A: Answer :

Q: Carry out each calculation and report the answer using the proper number of signifi cant fi gures.…

A: For addition and subtraction. Count the number of significant figures in the decimal portion ONLY of…

Q: Density of some metals Metal Density (g/cm³) Aluminum 2.70 Copper 8.95 Gold 19.3 Iron 7.87 Lead 11.3…

A:

Q: 2. For this question you'll need to perform calculations for the data listed below. Imagine you…

A: The solution of the question is given below:

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: The answer to the calculation below with the correct number of significant figures is A) 2370000…

A:

Q: Convert 3.0 m to in. Enter your answer in scientific notation. Be sure to answer all parts.

A: Given, 3.0 m

Q: 3. Question: Chapter: 1 Lesson: 8 What is the answer to the calculation below to the correct number…

A: Since,e We know that, Lowest significant digit present in the given questions is also a part of…