Using the significant digits, what is the temperature change if the initial temperature is 13.6 degrees Celsius and the final temperature is 23.6 degrees celsius?

Q: What is the density of a 789 kg object that is 1.58 m³ in size? number unit

A: Given, Mass the object = 789 kg Volume of the object = 1.58 m3 Density of the object = ?

Q: If you move the decimal place to the left to convert a number to scientific notation, will the power…

A: Scientific Notation: It is a method generally used to convert too large and small numbers in a…

Q: The decimal value 10,000 is equal to which exponential? group of answers 10^4 10^1 10^3…

A: Exponential form is used to represent the repetitive multiplication of same numbers. Given number is…

Q: Calculate the kinetic energy of

A: Given here Mass of bullet, and speed of bullet I have write the solution in step 2

Q: The diameter of Jupiter is 142,984 kilometers. The diameter of Mercury is 4,878 kilometers. (a)…

A: Given that,  Diameter of Jupiter = 142984 Km Diameter of Mercury = 4878 Km

Q: State the temperature on the Celsius thermometerB to the correct number of significant figures:

A: Significant figures are the digits of number that are accurate and more reliable value of data.…

Q: All nonzero digits are significant. State a rule that tells which zeros are significant.

A: Significant figures can be defined as the total number of digits that are present in a number…

Q: Underline the significant zeros in the following numbers:(a) 0.41     (b) 0.041     (c) 0.0410…

A: In a given number zero can be significant and not significant. There are three major rules for this:…

Q: Select the answer that expresses the result of this calculation rounded to the correct number of…

A: Before calculations certain rules should be understood for significant digits. All of the non-zero…

Q: On January 22, 1943, in Spearfish, South Dakota, the temperature rose from -4.00°F to 45.0°F over…

A: Given :-  T1 = -4.00°F  T2 = 45.0°F  To determine :-  Temperature change i.e. ∆T (in °C)

Q: If a solution has a temperature of 355 K, what is its temperature in degrees Celsius? (please…

A: Temperature in Kelvin = 355 K

Q: Suppose a child’s normal temperature is 98.6°F and the only thermometer available,which is Celsius,…

A: The amount of a particular degree of coldness or hotness present in a system or body is called…

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

A:

Q: Which zero is significant in the number 50,540? What is the other zero called?

A: Which zero is significant in the number 50,540? What is the other zero called?

Q: An electric current transports 96.0 C of charge in 46.0 minutes. Calculate the size of the electric…

A: Given that,  Charge transport by electric current q = 96.0 C Time t = 46 min   = 46×60 s = 2400 s…

Q: A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl…

A: In the given question we have to calculate the percent error of boiling point of ethyl alcohol.…

Q: 9. Express 96.342 m using 2 significant figures The answer is

A: Rules for determining significant figures : 1) All non zero digit are significant. Example, 123…

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: A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl…

A:

Q: When 11.4 and 60.9 are divided, the answer should have      Significant figures

A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…

Q: change 18h Dry nswer contains a unit symbol. Round your answer to 3 significant digits. μ ロ･ロ X 010…

A: Given,  □Hfus = 4.39 kJ= 4390 J T = -112 K = 161 K Mass of CS2 = 400 g Molar mass = 76 g/mol Mole…

Q: An electric current transports 53.0 C of charge in 48.0 seconds. Calculate the size of the electric…

A:

Q: Calculate the density of aluminum if it has a mas of 83.6g and a volume of 23.99 mL. Use correct…

A: Weight of Aluminium = 83.6 gm Volume of aluminium = 23.99 ml

Q: Convert the following values and write answers in scientific notation, where appropriate. 67 L to qt

A: Given:Conversion of 67 L to qt

Q: You measure a cube and determine that its sides are 0.65m. You place the cube on a mass sacle and…

A:

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

A:

Q: How many minutes and hours are 20 kiloseconds?

A: Given  Time = 20 kilosecond  Time in minutes = ? Time in hours    = ?

Q: Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when…

A: Given     mass of object = 149.8 g  Volume of object = 12.1 mL   To find : density of an object

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: A typical office has 144 ft2of floor space. Calculate the floorspace in m2(use the proper number of…

A: While converting from 1 unit to another of same dimension a conversion factor is to be multiplied.

Q: A surveyor measures the length of a surveying chain containing 1000 chain links. The length is…

A: Length is first converted from kilometers to centimeters.

Q: What is the temperature recorded on this thermometer?  Use degrees celsius and one decimal place…

A:

Q: The Empire State Building is 443.2 meters. The height of Kilimanjaro is 19,341 meters. (a) Express…

A: Given: The height of the Empire State Building =443.2 m The height of Kilimanjaro =19,341 m These…

Q: Calculate .076 X 41 , answer with the correct number of significant figures

A:

Q: QUESTION 5. Convert the following decimal value to exponential format (put in the form x.xxEy):…

A: Solution in step 2.

Q: Use exponential notation to express the number 582,000,000 to: one significant figure two…

A:

Q: 1.) Express the following number in decimal notation: 4.22 x 10-3

A: The number given is 4.22 X 10-3.

Q: The weather report says temperature is 23F. What is this temperature on the Celsius scale? On the…

A:

Q: Perform the following operations giving the proper number of significant figures in the answer:…

A:

Q: How many significant figures are in 9630.0010? (numerical answers only) N

A: Given,  How many significant figures are in 9630.0010 ?

Q: What is the correct reading of the temperature in the pictured thermometer (in °C)? Be sure your…

A: e is the correct answer. 90 C

Q: Write the number "fifty" in numerical form giving one significant digit

A: 50 we can write as in one significant figgure is  5 ×101 So 5 ×101 has one significant figur 5 The…

Q: Conversions involving units raised to a power: include the correct number of significant digits.…

A:

Q: Express the following number in decimal form: 6.02 •10^4

A: Scientists have formed a shorter method to represent extremely large quantities. This system is…

Q: What is the temperature in Kelvin if it is 84.2 °F outside?

A: The unit of temperature can be converted from Fahrenheit to Kelvin using the given formula.

Q: A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl…

A:

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: Determine the number of significant digits in each of the following 234 204.6 0.00245 10.00245…

A: The number of significant digit rule  The non zero digits are present , then they all are…

Q: A medical lab technician measures the mass of cholesterol in a blood sample. The mass is 6.04 × 10 -…

A: We know, 1g = 106μg

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.