Convert 339 J to its value in kilojoules. Express your answer to three significant figures and include the appropriate units. Use abbreviations for the units. Pearson

Q: A medical doctor gives the order to administer dopamine at a rate of 3.0 mcg/kg⋅min (mcg is the…

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Q: Change 80 degrees Celsius to Fahrenheit

A: Temperature can be measured in various units.

Q: When 33.911 is added to 82.649, the result should be reported with digit(s) after the decimal point.…

A: While subtraction or addition, the number of decimal places in the result are same as the…

Q: Convert 83.0 μL to deciliters.   Convert 83.0 μL to kiloliters.   Convert 83.0 μL to megaliters.…

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Q: Perform the given calculation. You must round correctly and report the answer with the proper number…

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Q: Convert 7.54×10^-8m to nanometers. Use only the metric system

A: Metric system : A unit system that is used to measure the physical quantity of a certain…

Q: A student uses a stoppered 25.0-mL volumetric flask to determine the density of a liquid. The mass…

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Q: Convert 6.4 x 10^-28 j-s/ kg to erg- min /lb. Note that “j” means “ joule” - it is one of the units…

A: 6.4*10-28 j-s/Kg to erg-min/lb Conversion required : 1 J = 107 ergs 60 sec = 1 min => 1 sec =…

Q: Part A An electron acquires 6 60x10-16 J of kinetic energy when it is accelerated by an electric…

A: Kinetic Energy of electron = 6.60 × 10-16 J Charge on electron = 1 Coulomb = 1.60 × 10-19 C

Q: Use the References to access important values If heeded for this question. Write each of the…

A: Given :-  8.89 × 10-3  7.77 × 104  7.71 × 103  8.06 × 10-5  To write :-  Above value in 3…

Q: How much heat, in units of Joules, is needed to warm 667.7 g of copper from 17 °C to 59 °C? The…

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Q: Melting point of silver is 1234.9 degrees Kelvin. Convert to degrees Celsius.

A: The conversion from Kelvin to Celsius is quite straightforward. The formula to convert Kelvin to…

Q: 4. An x-ray has a wavelength of 1.3 x 10-1º. Calculate the energy (in J) of one photon of this…

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Q: Express each answer with the correct significant digits, and the proper units AND write it in…

A: The expression given is .

Q: Use your graph to answer the following. Enter your answers here in complete well-constructed…

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Q: Convert 9.37×10−3 m9.37×10−3 m to the equivalent length in nanometers.

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Q: 13. What is the energy of a 9,300 cm (1 cm = 10² m) wave?

A: To find energy.

Q: Convert -5.05 x 10² cal to units of J. Round your answer to 3 significant figures. Note: Reference…

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Q: Calculate the amount of heat needed to boil 48.6 g of water (H₂O), beginning from a temperature of…

A: Given that,  The mass of water is m = 48.6 g. The initial temperature of the water is T1 = 55.2°C.…

Q: Carry out the following calculations, making sure that your answer has the correct number of…

A: Given that, 8.69 mL ÷ (15.3 mL - 8.94 mL) We have to calculate and result should have correct…

Q: The specific heat capacity of gold is 0.129 J/g°C.  Calculate the change in temperature (ΔT) when…

A: Specific heat capacity (c) is the amount of heat required to increase the temperature of per unit…

Q: Convert (3.706x10^9) feet to zulbars (Zb).  Some conversions: 5280 feet = 1 mile; 1 furlong = 10…

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Q: Please convert 297.6 kilocalories to grams. Please convert 1041.6 kilocalories to grams.

A: 1 calorie = 0.1296 grams.So,

Q: The metric system uses prefixes to represent larger or smaller amounts based on the number ten. What…

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Q: Convert -163.1  °C to Kelvin   Round your answer to 1 decimal place and don't forget to use the…

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Q: "A metal with a mass of 107.1g was placed into a graduated cylinder and completely submerged. The…

A: It is known that the density is the mass per unit of volume. Density = MassVolume d = mV

Q: Convert 346 K to °F:

A: Given : The temperature in kelvin=346 K To determine : The temperature in  °F=?

Q: Convert 25°C to Fahrenheit and Kelvin. it online! °F K °C (°F-32)(5/9) and K = °C +273.15 OR convert

A: The objective of this question is to convert a temperature given in Celsius (°C) to Fahrenheit (°F)…

Q: Perform each conversion between energy units. 3.71×106 kJ to kcal Express the value in kilocalories…

A: 1 Kcal = 1000 cal  1cal = 4.184J 1Kcal = 4.184J

Q: The surface temperature on Mercury has been measured to be 667 K. What is this temperature in…

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Q: How many Calories are in 4406 J? Round to two decimal places.

A: The magnitude of a quantity in one unit can be converted to the other unit by addition, subtraction,…

Q: One student calibrated a 50-ml burette by using the mass of water delivered. The student used an…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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

A: Convert mol/kg into mol/gram.

Q: Convert -128 °F to degrees Celsius and Kelvin

A: The given temperature is converted into degree Celsius as follows:

Q: Please answer this question as fast as you can please and tahnk you. I will afterwards write an…

A: To solve this problem we have to use significant figures rules .

Q: The energy available from the world’s total petroleum reserveis estimated at 2.0 3 1022 J. Convert…

A: The energy available from the world’s total petroleum reserve is estimated at 2.0 X 1022 J. Convert…

Q: You measure the distance between to cities to be 42.0 miles. You need to send this data to Brazil…

A: Convert 42.0 miles to km ?

Q: A chemistry student needs 5.00 g of acetic acid for an experiment. She has available 250. g of a…

A: Given,  250 g of a 15.8% w/w solution of acetic acid in ethanol. And 5.00 g of acetic acid is needed…

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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.