How many square miles are in a farm that occupies (4.07x10^2) acres? 1 acre 43, 560 ft and 1 mile 5280 ft Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations

Q: 6. Rand the following photons in terms of decreasing energy: IR (v= 6.5 x 1013 Hz), microwave (v =…

A: Since you have specifically asked for question number 6 to be done, we will solve that one for you.…

Q: Chemistry It is often necessary to do calculations using scientific notation when working chemistry…

A:

Q: What is the product of(4x10^2) and 185? Input your answer with the correct number of significant…

A: The numbers given are  1) 4 X 102  2) 185

Q: In step 9 of the procedure, if you were asked to determine the mass of solution in a test tube, how…

A: To Show the steps to determine the mass of solution in a test tube in step 9 of the procedure.

Q: Perform the following calculations and record your final answer with the correct number of…

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

Q: Assuming all of the numbers are measured quantities, perform the following arithmetic setups and…

A: Significant figures of a number are necessary to indicate quantity of something. It is also known as…

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

A:

Q: How many atoms of oxygen (O) are there in a sample of (6.30x10^2) grams of NaNO3? Enter your…

A: Number of moles of substance=Amount of substanceMolar mass of substance 1 mole of a molecule…

Q: A piece of copper has a volume 300 L. What is the mass of the sample, in units of grams? Fill in…

A: the Red box is filled as shown below:

Q: A thermometer is taken from an inside room to the side, where the air temperature is 5°F. After 1…

A: Solution - Newtons law of cooling it is given that the rate at which the temperatue of a body…

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

A:

Q: A new thermometer is invented where the temperature scale is in degree G (°G). The boiling point of…

A: Boiling point of water is 100°C Freezing point of water is 0°C . Given, in the new thermometer,…

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

A: To find energy.

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Given, in an experiment, amout of copper sample used =0.496 gramsand in the end of the…

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

A: Since, 1Kg = 1000 g then,

Q: föllówing data was collected from a solution that was prepared to allow a sample of plastic to…

A: The mass v/s density data curve given is,

Q: 3.) Perform the following calculations. Express your answers in scientific notation using the…

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Q: Part D Complete the fourth row. Express your answer using three significant figures. Enter your…

A:

Q: 1. Acetyl salicylic acid, known as Aspirin (180.16 g/mol) is made by the reaction of salicylic acid…

A:

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction…

A: Balanced chemical reaction in photosynthesis can be written as : 6CO2(g)  + 6H2O(l)  →C6H12O6(s) +…

Q: Calculate any relevant information from the data, numbers and graphs in your lab work. Show all your…

A: The objective is to calculate any relevant information from the given data.The graphical…

Q: The conversion factor relating miles to meters is 1 mile 1610 m. The speed of light is 3.00 x 10…

A: given, 1 mile = 1610 m 1 hour = 3600 sec

Q: Convert 192 grams of phosphorus pentabromide to molecules.

A: Given: Mass of phosphorus pentabromide i.e. PBr5 = 192 g.

Q: 13. The mass of water delivered by a buret is 11.8159 g at 15 °C. What is the calculated actual…

A: Density is defined as mass of the substance upon the volume occupied   density = mass / volume…

Q: What is the percent by mass NaCl of a solution that contains 85.1 grams of NaCl and 119.1 grams of…

A: Percentage by mass (% m/m or % w/w )=mass of solutemass of solution×100%

Q: The ? stands for a number the student is going to calculate.)   Fill in the missing part of this…

A: The ratio which represents the relationship between two different units is known as a conversion…

Q: The mass of a sample bottle is 27.32g. When filled with water the bottle weighs 46.85g. The density…

A: The relationship between density and volume is given below.

Q: When you perform the following operations, how many significant figures should your answer have?…

A:

Q: Two samples of potassium chloride are decomposed into their constituent elements. One sample…

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Q: Water consists of molecules (groups of atoms). A water molecule has two hydrogen atoms, each…

A: Given, Distance between anyone hydrogen atom and oxygen atom = 9.6 × 10-1 Å Calculate the same…

Q: A spherical container is filled with a gas, what is the mass in grams of this gas if the density of…

A:

Q: 3) An eager new legislator is enamored with how everything is expressed in powers of 10 in t metric…

A: Mole is a quantity of substance that contains 6.022 x 1023 units of that substance. It is the S.I.…

Q: Suppose you have 150. mL of a substance with a density of 36.0 g/dm³ and want to determine the mass…

A: In this question we need to use dimensional analysis for converting the units .  For this we use…

Q: 2. For this question you'll need to perform calculations for the data listed below. Imagine you…

A: The solution of the question is given below:

Q: All of the following metric multiplies and their values are correct EXCEPT: Kilo; 1 x 103 Micro; 1 x…

A:

Q: A mountain hiker found a chunk of shiny metal on the trail.  He wanted to find out the identity of…

A:

Q: Calculate the amount of heat needed to melt 67.8 g of solid methanol (CH3OH) and bring it to a…

A: Answer:Melting of given solid methanol is a 3 step process:Melting of solid methanolIncrease in…

Q: 1. The student obtains 15 g of an unknown substance. 2. The student notes that at room temperature…

A: Extensive properties are the properties that depends upon the amount of matter in a sample

Q: In a similar experiment, a pair of students was asked to measure out 10.00 mL of water using a 25-mL…

A: Accuracy refers to closeness to the actual value. Precision refers to closeness among observed…

Q: Write the numbers represented by the the following: Number 6,000.345 5003450000000…

A: we have to convert the given numbers to scientific notation

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…

Q: It is often necessary to do calculations using scientific notation when working chemistry problems.…

A: Rules for determining the number of significant figures in an answer :The result of multiplication…

Q: 3 For the following questions, Perform the operation an express your answer in scientific notation…

A: Notes: 1. When adding and subtracting, the answer should have the same number of decimal places as…

Q: solve for the follwing probelms stating answers to the proper number of significant figures. use…

A: In the multiplication or division operation, we need to keep the least significant figures in the…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.