Write the following numbers in standard notation. Use a terminal decimal point when needed:(a) 5.55×103    (b) 1.0070×104     (c) 8.85×10-7    (d) 3.004×10-3

Q: Do you round the vant hoff to the nearest whole or leave it as a decimal?

A: Depression of freezing point of an electrolyte solution : when a non volatile solute added in a pure…

Q: An electric current of 21.10 A transports 880. μC of charge. Calculate the time this took. Be sure…

A:

Q: Perform the following operations and answer with the correct number of significant figures AND…

A:

Q: Show calculation setups and answers for the following problem: an object is 9.6 cm long. What is the…

A: Given,Length = 9.6cm

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: A sailor on a trans-Pacific solo voyage notices one day that if he puts 270. mL of fresh water into…

A: Given data, Volume of fresh water = 270 mL = 270 cm3 Mass of cup = 10 g Density of fresh water =…

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: what decimal power do the following abbreviations represent: (a)m, (b)k,(c)m,(d)n, and(e)u?

A: Please find the attached images for the answer

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: and 1.0087 amu, respectively. Express your answers in three decimal places in scientific notation,…

A: Observed atomic mass = 202.9723 amu Mass of proton = 1.0078 amu Mass of neutron = 1.0087 amu Element…

Q: Perform the following calculation: g -0.00030- x 20.0°C °C x cm³ What is the answer to the…

A: Multiplication and division of significant figures :- The result of multiplication or division…

Q: An electric current of 0.760 A flows for 54.0 seconds. Calculate the amount of electric charge…

A: The electric charge transported can be calculated as follows

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

A:

Q: A long course triathlon entails a 2.0 mile swim, an 85.5 mile bike ride and a 15.0 mile run. What is…

A: Given, 2.0-mile swim, an 85.5 mile bike ride and a 15.0 mile run

Q: what fraction of an hour is 900 seconds using dimensional analysis

A: what fraction of an hour is 900 seconds using dimensional analysis

Q: What is the total weight, in pounds, of the dessert?

A: A dessert contains, 145.05 g vanilla ice cream 82 g fudge 39.3 g nuts

Q: (a) The diameter of Earth at the equator is 7926.381 mi.Round this number to three significant…

A: (a) Given, diameter of earth = 7926.381 mi which is approximate equal to 7930 mi. Hence, the…

Q: If a temperature in degrees Fahrenheit is 517 then it is _____ degrees in the Celsius scale. answer…

A:

Q: According to the figure on the right, which ruler would provide a more precise measurement of the…

A: According to the figure on the right, NICK ruler would provide a more precise measurement of the…

Q: 3. Which of the following states of matter has a fixed volume and a fixed shape?

A:

Q: True or false: The “size” of a degree on the Celsius scale is thesame as the “size” of a degree on…

A: The temperature scales of Fahrenheit, Celsius and Kelvin are developed based on freezing and boiling…

Q: what is the volume in cubic centimeter,of an ice cube that has a mass of 27g?

A: Given: Mass of the ice cube = 27 g Standard data:  The density of the ice = 0.92 g/cm3

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: What is the number of significant figures does the sum of the following contain   .3+ 5.652 , the…

A: 0.3+ 5.652

Q: I need help describing if its a mixture or pure substance I did the other 4 but not sure about the…

A: We need to identify whether it is a mixture or a pure substance.

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: Express the following measurement in the designated unit 45 g/l to μg/ml

A: Gram is a unit of measurement which is denoted by the symbol 'g'. Liter is a unit of measurement…

Q: Do you still think it is necessary to manually learn how to convert between english and metric units

A: The Metric System – This system is used in most of the world and it employs units like meters,…

Q: What is the minimum mass of ilmenite (FETIO,, a titanium ore, from which 135. g of pure titanium…

A:

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: What are the metric prefixes from largest to smallest?

A: The metric prefixes  are shown below from the largest to smallest  Mega = 106 Kilo = 103 hecto = 100…

Q: Two undefined numbers expressed in regular notationare s hown below, along with the number of places…

A: Scientific Notation: In science when the number is too large or too small to perform any…

Q: In the year 2013, an estimated amount of 36 billion metrictons (1 metric ton = 1000 kg) of carbon…

A: Conversions are, 1 metric ton=1000kg  1 kg = 1000 g 1015 is called prefix Peta.

Q: 12. Density if mass is 174 g and volume is 45 cubic/ centimeters?

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

A: Solution Appropriate range of serious knowledge is vital so as to possess a significant level of…

Q: 7.

A: As we can see that, it is a concave miniscus which means that molecules of the liquid are attracted…

Q: Which of the following is a good hypothesis when someone observes that the car won't start in the…

A: Hypothesis  A hypothesis is an assumption, an idea that is proposed for the sake of argument so that…

Q: A very good 197-lb weight lifter lifted 192 kg in a move called the clean and jerk. What was the…

A:

Q: The world record for the hundred meter dash is 9.79s. What is the corresponding average speed in m/s

A: Answer

Q: The symbols for units of length in order from largest to smallest are

A:

Q: The number 935.0022 rounded to 5 significant figures is

A: The number 935.0022 has to be  rounded to 5 significant figures.

Q: How many days are in 41,700 minutes? (Assume exactly 24 hours in a day). Express your answer with…

A: Since each day has 24 hours  And each hour has 60 mins Hence number of minutes in a day = number of…

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

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Q: Solve the following equation for the unknown value, T. (round off the answer, no decimals) (4.184)…

A:

Q: Activity 4: To qualify for the Boston Marathon a 45 year old man must finish a prior marathon (26.22…

A:

Q: Perform the following metric conversation how many meters does 45,400 micrometers represent? Solve…

A:

Q: What is a easy way to remember conversion of the metric system? Such as Kilograms and Liters and…

A: Yes you can remember in following way:- 1Kg=104decigram=105centigram     =106millgram =109 microgram…

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.