Find the value of the quantity indicated with a question mark in terms of the given variables

Q: . Write the names of 4 SI metric prefixes and give their numerical values

A: SI metric prefixes are, mili centi meter kilo

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: Convert 50 °F to °C and K

A:

Q: The number 18.01937 rounded to 3 significant figures is

A: Rounding a number to three significant figures in the same way ,rounding to three decimal places.…

Q: Condition Column I Comparison Column II The cell E°red of A| A2+ A| A2*|| B"|B [ Select ] E°red of…

A:

Q: Complete the table below relating the values. Each value is =0, >0, or <0

A: We have knowledge about two equations: One is Nernst Equation according to this, Second is…

Q: N2 + 3H, 2NH3 Hw mey mos of N do you need to make moles of N? rytothat tyin gven to y thie p otude…

A: Moles of H2= 0.37 moles  Moles of NH3=?

Q: TITRATION DATA In the next part of the experiment, you used the standard solution of sodium oxalate…

A: The given reaction is, 2 MnO4-+5 C2O42- + 16 H+ →2 Mn2+ + 10 CO2 + 8 H2O Given that: Molarity of…

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: 2. Calculate the mass of each of the following: a. 20.0 mL of nitrogen gas b. 7.0 L of hydrogen gas

A: Answer 2.part a.given volume of N2 gas = 20.0mlwe know, molar mass of N2=28gwe know that,At NTP…

Q: Use exponential notation to express 4.22 mg in grams

A: Conversions: 1 gm = 1000 mg 1mg = 10-3 g.

Q: Calculate to the correct number of significant figures. (24.6681 x 2.38) + 332.58

A: Rules for performing addition and subtraction: Addition or subtraction is performed in a general…

Q: The process to determine temperature Celsius to Fahrenheit

A: The temperature in degrees Fahrenheit (°F) is equal to the temperature  in degrees Celsius (°C)…

Q: In the metric system a liter is a measure of

A: Different units are used for the representation of different quantities in the metric system. Any…

Q: When 66.875 is added to 18.16, the result should be reported with When 88.94 is subtracted from…

A:

Q: kg The density of isopropyl alcohol is known to be 786- m³ density in the units of mg ml Determine…

A:

Q: How many mL of 0.556 molar magnesium chloride must a scientist pour into a beaker to have 17.6 g of…

A:

Q: Consider the following half-reactions: Half-reaction E° (V) 2.870V F,(g) + 2e → 2F(aq) 2H*(aq) + 2e"…

A: From given Based upon the half reaction, each category is filled accordingly as follows

Q: The percent yield for the reaction is 87.2%. How many grams of the precipitate are formed?…

A:

Q: Why is that Fahrenheit need to convert to Celsius? Is it easy to do a mathematical method if we use…

A: Fahrenheit and Celsius are the units of temperature. They are represented by the symbols °F and °C…

Q: Express the given quantity in terms of the indicated variable.

A: Given that the concentration of salt (in oz/gal) is mixed with of 3 gal of brine containing 25 oz of…

Q: A new linear temperature scale, degrees Zunzol (Z), is based on the freezing point and boiling point…

A:

Q: What are the correct table entries with the given quantities?

A: The molecular formula for triethylene glycol is C6H14O4The molecular formula for meso-Stilbene…

Q: Macmillan Learning Perform the calculation and report the answer using the proper number of…

A: Given,

Q: State the volume and mass for 1 mol of sulfur hexafluoride For volume express your answer to three…

A: Density is mass per unit volume

Q: A dessert contains 135.05 g of vanilla ice cream, 84 g of fudge sauce, and 39.9 g of nuts. What is…

A: Part - A The dessert contains--- 135.05 g of vanilla ice cream. 84 g of fudge sauce. 39.9 g of nuts.…

Q: How many mL of 0.888 molar magnesium chloride must a scientist pour into a beaker to have 19.0 g of…

A:

Q: Calculate the volume in liters of mercury(I) chloride solution

A: Molarity of solution is the ratio of number of moles of solute to the volume of solution (in L)…

Q: How many mL of 0.799 molar magnesium chloride must a scientist pour into a beaker to have 16.1 g of…

A: given, molarity of magnesium chloride = 0.799 molar weight of magnesium chloride = 16.1 g

Q: for ethanoic acid is 1.8 x in pure water. A) Calculate percent error of the K, you determined to…

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

Q: 36 ouncew of beer is equivalent to how many standard drinks?

A: 12 ounces of standard beer (regular) contains 5% alcohols.24 ounces of standard beer (regular)…

Q: a bicycle factory, it requires two wheels and one frame to constuct a full bike. If there are 32…

A: The question can be answered by closely observing the number of components provided and the number…

Q: A change of kinetic energy of molecules create what property change in a body?

A: A question based on kinetic energy of molecules, which is to be accomplished.

Q: Given the condition for each number, compare the quantities in Column I and Column II. From the drop…

A: The above problem is electrochemistry problem based on reduction potentia And reduction capability.

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.