1) How many moles of water are in two moles of magnesium sulfate heptahydrate?

Q: The number 8.588682 rounded to 2 significant figures is: The number 701.9951 rounded to 3…

A: Significant figures are the digits of the number that contribute to accuracy. They are all…

Q: Hi I need help with this question please -Of the solids are not dry when added to the graduated…

A: Calculated density will be larger because solids are not dry then Mass of the solid increases and…

Q: A. Directions: Below are examples of properties. Identify whether the trait is Physical Property,…

A: Chemical properties: These are the properties that can be observed or measured when a substance…

Q: Which of the substrates below is the most reactive towards nucleophilic aromatic substitution…

A:

Q: Question 10 (1 point) A penny has a total mass of 3.3 g. Zinc makes up 2.6 g of the penny. What is…

A: Given, Total mass of penny = 3.3 gMass of zinc = 2.6 g We need to calculate the percentage of zinc…

Q: How man

A: mole interms of particles :         1 mole = 6.022 x 1023 particles   mole interms of mass :…

Q: 1.5 oz to grams

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: Convert 74 Mg to pg

A: Mg means Mega grams and pg means pico grams  1Mg = 106 g and 1pg = 10-12 g  a) convert first Mg to g…

Q: Baseball is played with a round ball that may have a circumference of 9.07 in. and a weight of 5.08…

A: Conversion of the given- 9.07 in to cm 5.08 oz to g

Q: 1) Consider the following diagrams, which was a positive AS? 6000 0000 00 0000 000g p000 0000 0000 O…

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Q: Depth                          1.2 cm Width                         1.2 cm                 3.Length…

A: Given : Depth = 1.2 cm  Width = 1.2 cm  And Length = 4.4 cm

Q: How to tell whether a property is physical or chemical

A: Physical properties are the properties such as colour, melting point,hardness,density and doesn't…

Q: The number 0.00003007 expressed in exponential notation is ________.

A: Let the number be 'X'. So, X= 0.00003007 In this question, X has to be converted into exponential…

Q: Round 329.2258 to 2 significant digits

A: Significant figures are meaningful digits which are known with certainty. There are certain rules…

Q: 4. What is a characteristic property of a pure substance? Is the boiling point of a substance a…

A: Pure substances are substances that are made up of only one kind of particles and has a fixed or…

Q: Express each number in decimal notation (i.e., express thenumber without using scientific…

A: Since you have posted questions with multiple subparts, we will solve the first three sub-parts for…

Q: Many processes occur in the digestive system. Which process is best classified as a physical change?…

A: A physical change is the change in which no chemical reaction occurs.

Q: 7 PrePan (19) in To mL -

A:

Q: 5. When do zeros count as significant digits, and when don’tthey count?

A: The significance of zeros in a mathematical value has to be given.

Q: :C: ل - - Na

A: There are 2 steps in the mechanism that lead to the formation of ester as the product.

Q: PLS ANSWER THE FOLLOWING QUESTIONS

A: The solution is given below -

Q: cal BTU Convert 1 g - °C to lbm - °F

A: Cal/g °C =The heat needed to raise the temperature of 1gm of water bt 1°C. BTU/lb °F = The heat…

Q: what is the cost of 8 oz of cannabis oil if 1ml value $30?

A: Given :-  Volume of cannabis oil = 8 oz  Cost of 1 mL cannabis oil = 30 $  To calculate :-  Cost of…

Q: A recipe for pralines calls for the candymixture to be heated until it reaches the “soft ball”…

A: The units of temperatures are K, C0, F0. These can be interconverted by the following relation:…

Q: The number 3332.914 rounded to 3 significant figures is

A: Answer is given below

Q: 49. Round each number to four significant figures.(a) 255.98612 (b) 0.0004893222(c) 2.900856 * 10-4…

A: The following rules can be followed to round up the final answer to the significant figures.…

Q: Compare the densities of the objects in question 1 and 2 to the densities of materials found in…

A: The mass of a substance is its inherent property with the value of non-zero. The belongs to a…

Q: * 00 Air DD F7 F8 & * T

A: This question is related to conversion of units.

Q: crayon

A: You can see this scale is cm ( centimetres ) so that C and E option are incorrect because of in this…

Q: The practice of medicine dates back _____. hundreds of years thousands of years millions of years…

A: Medicine is science and practice of diagnosis, treatment and prevention of disease

Q: Round 0.054321 to 4 significant figures

A: If the last digit in the given number is greater than 5 , then we have to add 1 to second last digit…

Q: There are ___________ degrees Fahrenheit between thefreezing and boiling points of water.

A: The number of degrees (in Fahrenheit) between freezing point of water and boiling point of water.

Q: Complete each row of the table below by filling in the missing prefix or missing exponent. 1 ds 10…

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Q: this is incorrect, I entered that number and it marked it as wrong

A:

Q: ______________________ are defined as homogeneous mixtures of two or more pure substances

A: A SOLUTION  is a homogeneous mixture of two or more pure substances.

Q: Convert the following number to standard notation: -8.765 x 10-2 Group of answer choices -876.5…

A: Standard notations also are known as scientific notations.  The following number can be converted…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.