14. Consider the following equilibrium system in a piston-cylinder: A (g) + 3B (s) 5D (1) + E (g), AH® < 0 Predict the direction of an equilibrium shift as a result of the following disturbances: (1) Raise the temperature; (2) Add more B; (3) Reduce the volume of the container; (4) Add a catalyst; (5) Remove some E.

Q: Visualize a 12-ounce can of diet cola and a 12-ounce can of regular cola are added to a sink full of…

A: Given : The regular cola sinks and the diet cola floats in water.

Q: 50. Round each number to three significant figures.(a) 10,776.522 (b) 4.999902 * 106(c) 1.3499999995…

A: Significant numbers are the digits in a number which is important and provide reliability about the…

Q: What equals inches divided by inches, if we treat them like numbers o, why do you divide by the unit…

A: When we divide two same numbers or units, they cancel out to give 1.  When we multiply two same…

Q: Classify the words below by placing them under their right types of energy. (It is possible that one…

A: Some forms of energies are not given above so are mentioned below in a tabular form.

Q: For each of the following numbers, how many significant figures should be present in the scientific…

A: Given number-(a)34,000,000(b)45.00(c)quad 0.00012(d) 0.100010We need to determine the significant…

Q: 0.0590x8.105æ10 1.8x10-3

A:

Q: Density is which property

A: Density is mass per unit volume.

Q: A 20.00 mL Ba(OH), solution of unknown concentration was neutralized by the addition of 45.26 mL of…

A:

Q: Calibration of the Picnometer, mass of empty picnometer is 30.708g, mass of picnometer + water is…

A: Mass  of empty picnometer is   30.708 gm Mass of picnometer + water is 61.018 gm Mass of water =?

Q: The temperature on a summer day may be 908F. Convertthis value to Kelvin units.

A:

Q: Classify each of the following particulate level illustrations as a representation of either pure…

A: Pure, homogeneous, and heterogeneous substance can be defined on the basis of solution.

Q: wchich of the following terms descibes what a doctor formswhen treating patients prior to ordering…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Part B.1: Measuring the volume of a sample of water. Measuring Device Measured Value Beaker…

A: The key aspect that should be dealt with while experimenting is precisely recording the readings.…

Q: 65. Perform each temperature conversion.(a) 212 °F to Celsius (temperature of boiling water)(b) 77 K…

A: This is a multipart question type and you did not mention which one I have to solve so according to…

Q: Which of the following would give an EXACT number?   Group of answer choices   (a) Measuring a…

A: Given : To find the option which will give exact measurement.

Q: A glass of cold milk is an element, a compound, a homogeneous mixture or heterogeneous mixture?

A: A glass of cold milk is an element, a compound, a homogeneous mixture or heterogeneous mixture?…

Q: Liquids and gases take the following characteristic(s) of their containers. Which is/are it?…

A: Generally there are three types of substances solid, liquid and gas.

Q: A student mixes some soap with water and then blows through a straw into the solution. is it a…

A: Physical changes are those which do not involve any chemical reactions to be taking place only the…

Q: 90. Earth has a surface area of 197 million square miles. What isits area in each unit?(a) square…

A: Conversion factors : 1 square mile = 2.59 square kilometers 1 square mile = 2.59 x 106 square meters…

Q: Is a pencil being sharpened a chemical or physical change

A:

Q: I have a question, What number is of value and units.

A: Part A) Moles of methane produce when hydrogen is in excess.Part B) Moles of hydrogen react to…

Q: Two samples of solids have similar reactivity with acids and similar densities. Their masses and…

A: Extensive properties are the ones whose value depend on the size of the system like mass , volume…

Q: Density of Unknown Solid, mass of picnometer + metal + water is 75.167g, what is the number of…

A: All the non-zero numbers are significant figures and zeroes between two non-zero numbers are…

Q: 73. Perform each conversion.(a) 22.5 in. to centimeters (b) 126 ft to meters(c) 825 yd to kilometers…

A: (a) 22.5 inch to centimeters If 1 inch = 2.54 centimeters         Then, 22.5 inch = 2.54…

Q: What are the smallest subdivisions marked in English units on the ruler above?

A: Generally the cm measures are at the top and the inches at the bottom. Where the top side marked…

Q: Baking Soda Mass (g) Recorded (no units): Number of significant figures for baking soda mass sample:

A: Introduction A chemical molecule with the formula NaHCO3 is sodium bicarbonate (IUPAC name: sodium…

Q: Perform the following temperature conversions: (a) 104.5oF to degrees Celsius(oC)and to Kelvin(K),…

A: The temperature scale is used to measure degree of hotness or coldness of a body (or system). The SI…

Q: 9. Perform each conversion within the metric system (a) 3.55 kg to grams (b) 8944 mm to meters (c)…

A: (a) To convert kilograms to grams, you multiply by 1000 since there are 1000 grams in a kilogram.…

Q: Carry out the following mathematical operations and answer the questions that follow. 33.916 x 95.7…

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

Q: Which one of the following properties of matter is WRONG

A: The given statements can be elaborated as follows- The chemical property of methane is its…

Q: We use aspects of the scientific method in our everydaylives. Provide one example of formulating a…

A:

Q: the seperation of carbon atoms is diamond is 0.154 n, what is their seperation in meters

A: The separation of carbon atoms in diamond is 0.154 nm.

Q: (1) Convert the temperatures-30°C, 10°C, and 50°C to Kelvin and Fahrenheit. 2 Express the nor

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

Q: Which of the following is a mixture? O All are mixtures salt water O vegetable soup O blood

A: mixture is formed when two different substances are mixed and they mixed physically,  no chemical…

Q: 29. Complete the following American/metric conversions using the correct number of significant…

A: Given in following question complete the American/metric conversions using the correct number of…

Q: total voulme in graduated cylinder is 1.00ml total numbers of drops placed in cylinder is 24 what…

A: Volume of cylinder =1ml  No of drops in 1ml cylinder is =24  24 drops occupy volume =1ml  1drop…

Q: Calculate the amount of heat needed to boil 96.0 g of ethanol (CH₂CH₂OH), beginning from a…

A:

Q: 10. Identify each of the following as either an intensive or extensive property. (a) The boiling…

A: The properties which depend upon the amount of matter present in the system are called extensive…

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: The significant figure rule for the division and multiplication is that the final number should…

Q: The number 37.84637 rounded to 5 significant figures is When 12.9 is subtracted from 64.657, the…

A: we have to complete the given statements

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.