Volume of calcium chloride=The answer must also have the correct significant figures.

Q: How many significant figures are in the following value?

A: Trailing zeros are considered to be significant if a decimal point is shown in the number, but they…

Q: How many significant figures are in each number?

A: Given :- A)  0.1 s B)  108,700 km  To calculate :-  Number of significant figures in each number

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: A solution has a mass of 13.05 grams and a volume of 14.4 mL. What is the density of this solution,…

A: Density is defined as the mass per unit volume. Density = MassVolume…

Q: When the calculation (2.31)(4.9795x10^3)(1.9971x10^4) is preformed, how many significant digits…

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

Q: Is this the correct amount of significant figures? if not please specify.

A: We need to answer in least number of significant figures given in question statement.

Q: Sodium metal is a soft silvery metal. Sodium metal reacts vigorously with water to produce sodium…

A: Given, Sodium metal is a soft silvery metal. Sodium metal reacts vigorously with water to produce…

Q: hat is the block,number and period for chlorine

A: FOR CHLORINE ATOM(Cl) BLOCK-P      (OUTER MOST ELECTRON PRESENT IN P ORBITAL) PERIOD -3 GROUP 17 OR…

Q: Which one is the uncertain digit in... 343

A: Since we know that Each measured number has only and only ONE uncertain digit (the last digit…

Q: What would be the reading of the liquid in the following graduated cylinder, reported to the proper…

A: Given is graduated cylinder.  We measure reading at lower meniscus.

Q: Why must a measurement include both a number and a unit?

A: It is very important to specify the measurements with both a number and a unit. A measurement…

Q: What is the meaning of the number of digits reported in a measured quantity?

A:

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: Enter all measured data, and certain final answers to the correct number of significant figures as…

A: In this question, the values of the following are given with the correct number of significant…

Q: If someone consumes 21 g of sodium chloride per day, what mass (in grams) of sodium does that person…

A: Given: The mass of sodium chloride is 21g. 39% of sodium in NaCl by mass means 39 g of sodium(Na) is…

Q: How many significant figures are in the measurement 5000 g? Group of answer choices

A: While doing a big calculation, which digits really give the informtaion on how precise is the…

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: What are the significant rules to be followed to determine the number of significant figures in a…

A: Significant figure represents all the digits of a number that are significant with respect to…

Q: Convert 460.3 ml to quarts. Express your answer with the correct number of significant digits.

A: Since we know that 1 milliliter (ml) = 0.001056688 quart (qt). Where ,  Milliliter (ml ) is a unit…

Q: The number 9080000 written in scientific notation to the correct number of significant figures is?

A:

Q: An object measuring 25.0 inches will have a length of _____centimeters.  round your answer to the…

A: We will use the inch-cm relation: 1 inch = 2.54 cm

Q: Calculate the mass of ammonia (NH, ) that contains a million (1.0× 10°) hydrogen atoms. Be sure your…

A:

Q: What is the measurement of water in the graduated cylinder (without units)?   How many significant…

A: Graduated cylinder is also known as measuring cylinder. It is a laboratory equipment which is used…

Q: When doing significant figures when adding subtracting, multiple how do I know how many decimals…

A:

Q: te the volume in mL of

A:

Q: Carry out the given conversions from one metric unit of mass to another.

A: Here, dg stands for decigram          ,cg stands for centigram         , mg stands for miligram…

Q: The density of a substance relative to the density of water.  It is one of the few measured values…

A: The density of any substance is mass by volume. Density=massvolume The unit of mass is Kg and the…

Q: Estimate the volume of the object to the correct number of significant figures:

A: In liquids like water, a concave meniscus appears and the lower part of the meniscus is read for…

Q: If volume is 320mL and density is 13.5mL what is the mass?

A:

Q: The number 158.70 in normal scientific notation, showing proper significant figures is:

A: Given number= 158.70 In scientific notation, Decimal will be placed after first number , so

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Given,  Length in cm = 0.050 cm  Convert cm to km = ?

Q: pH

A:

Q: Which total mass is the largest?

A: Mass of an electron is 0.000549 amu. Mass of a proton is 1.00728 amu. Mass of a neutron is 1.00867…

Q: the mass of

A:

Q: A student sets up the following equation to convert a measurement.

A: Since 1 m = 100 cm  hence cubic the above relationship we get  (1 m)3 = (100 cm)3…

Q: convert 275 millimoles into moles(give the answer in the correct number of significant figures)

A: Here we need to convert millimoles into mole.Moles = It is a unit (used in chemistry) for measuring…

Q: The number 4861.850 rounded to 3 significant figures is

A: If any number give in more digit and we have to write in less significant figures use power method…

Q: Round the value 44.981 g to three significant figures.

A: Rounding significunt rules:  Non-zero digits are always significant Zeros between non-zero digits…

Q: How many millimeters are in 8.63×10 ^2 centimeters? (round your answer to the correct number of…

A: 1milimeters = 0.1 centimeters

Q: Make the following conversions. Report answer to the proper number of significant figures. 1.25 in…

A: Following is the conversion of 1.25 inch to feet

Q: Calculate the mass of ammonia (NH,) that contains a trillion (1.000 × 102) hydrogen atoms. ΝΗ. Be…

A:

Q: Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the…

A:

Q: Identify the number of significant figures (sig figs) in each of these values.

A: leading zeros are non-significant  trailing zeros are significant  zeros in between non-zeros are…

Q: Calculate the mass of ethanol in 1.83 qt of ethanol. The density of ethanol is?

A: Calculate the volume of ethanol:

Q: An empty beaker has a measured mass of 29.456 g. When some salt is added to the beaker, the combined…

A: Mass of empty beaker = 29.456 g  Combined mass when salt is added to beaker = 36.176 g  Mass of salt…

Q: A mile is about 5300 ft. Indicate the number of significant figures in each of the following?

A: Significant figures or digits  are used to determine the degree of accuracy of a given answer.…

Q: 840 inches to centimeters

A: As per our guidelines, we are supposed to answer only the first question (question number 5th),…

Q: please put the correct numbers of significant figures

A: The amount of the product that is expected to be obtained according to the law of conservation of…

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.