Write a balanced net ionic equation to show why the solubility of Ca(OH)2(s) increases in the presence of a strong acid and calculate the equilibrium constant Knet for the reaction of this sparingly soluble salt with acid. Be sure to specify states such as (aq) or (s). Knet Submit Answer Retry Entire Group 2 more group attempts remaining

Q: Calculate the number of hydrogen atoms in a 100.0 g sample of ammonia (NH,). Be sure your answer has…

A: One mole of any molecule contains approximatly 6.022 x 1023 (Avogadro's number) molecules. And the…

Q: what is the mass of an 5.44x10^25 of gold?

A:

Q: The number 18.01937 rounded to 3 significant figures is

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Q: 297.466 into 2 significant figures

A:

Q: 2 21. dL 0.70 L = ?

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Q: Q2 : An oven dried sampled having mass of (195gm) was put inside a pyenometer which was then…

A: Please find the below attachments.

Q: Express in similar unit and in lowest term 3,000 grams to 5 kilograms

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A: All organic molecules exhibit distinct IR spectrum due to the characteristic bonds present in them.

Q: ubtract 3.58 x 10^-2 from 1.41 x 10^11 and report answer in g.

A: so the answer will be 140.99*109 g which can be considered as 1.41*1011 g

Q: What is an exact number? How are exact numbers treated dif-ferently from other numbers in a…

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

Q: covert  1 x 10^3 to standard notation

A: A number expressed in the form  a × 10b is called scientific notation . To convert a number from…

Q: Convert the value 7.01x105 g to use unit prefixes.

A: The given unit of mass is 7.01×105 g.

Q: Distinguish the difference between a coefficient and a subscript?

A: 1.Subscripts are part of the chemical formulas of the reactants and products which indicates the…

Q: Example: Use 1.20E-4 NOT 0.120E-3 or 12.0E-5 (i) 0.0661 (ii) 3410 (b) Write the following numbers in…

A:

Q: What is the difference between an exact number and an inexact number? Give an example of each type…

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Q: coffee cup is found to have a volume of  263 mL. Using unit analysis, show what the volume of this…

A: By unit analysis we can conclude that, 1 L = 1000 ml         OR 1000 ml = 1L

Q: Suppose a 500. mL flask is filled with 0.10 mol of SO₂ and 1.1 mol of SO3. This reaction becomes…

A: Given moles of SO2  = 0.10 mol  Gicen moles of SO3 = 1.1 mol  Initial moles of oxygen = 0  We are…

Q: What is the standard SI unit for mass?

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Q: Round 0.03982 to 3 significant figures and put in scientific notation.

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Q: TEDE 3028 2845 289T 1603 1516 1427. 1298 69TT 1028 844 773 HAVENUMBERS ees2 eeez

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Q: Acetylene and oxygen react to form carbon dioxide and water, like this: 2C₂H₂(g) +50₂(g) → 4CO₂(g) +…

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Q: For the image attached Make a graph of the average mass vs year. Please label y and x axes

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Q: Under certain conditions, water can be separated into oxygen and hydrogen gases according to the…

A: Given: Mass of hydrogen produced = 112 g. And mass of oxygen produced = 888 g.

Q: Use the data below to determine the mmoles of sodium oxalate to 2 decimal places. (MM sodium oxalate…

A: Given : mass of sodium oxalate = 0.093 g             MM of sodium oxalate = 134 g/mol  Tip : moles =…

Q: 15) Which one is the derived unit? ( 16) 17) A) Length B) mass C) Time D) Force Which one is not the…

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A:

Q: Express 34670000.0003 N in scientific notation

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Q: 0.01061:0.00944 Find the ratio

A: We have given that                            0.01061 : 0.00944

Q: t mass

A:

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A:

Q: CEN OH CEN -OH HO LOH `NH2 HO,

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Q: Density of .80/cm3 if u have 60cm3 of the substance what would it’s mass be?

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Q: 2. The number of significant figures in the number 2101.010100 is

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A: The reaction of Phosphoric acid with Ammonia:-                    H3PO4  +  3NH3   → [(NH4)3 PO4]…

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A:

Q: D Question 4 Consider an object that is in the shape of a cube with a mass of 45.8 grams. If the…

A: Answer:Density of an object is the ratio of its mass and volume as shown below:Here:

Q: Perform the calculation and record the answer with the correct number of significant figures.…

A: When addition or subtraction is carried out, the number that has a minimum number after the decimal…

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.