I need help on the percent difference !!

Q: How can I convert 728.75468cm/s2 to N/kg ????

A: Conver the given measurement ?

Q: Mass of Magnesium moles of magnesium = moles of H₂ mass of magnesium = moles of magnesium x (24.31…

A: Information of question

Q: Name two INHERENT possible sources of error and how they could theoretically have impacted PERCENT…

A: Inherent errors are caused by  uncontrollable variables, which can not be defined/eliminated. they…

Q: A student measures the density of a solution to be 0.80 g/mL. The true density of the solution is…

A: Formula to calculate percent error is

Q: Ammonia (NH3) chemically reacts with oxygen gas (O2) to produce nitric oxide (NO) and water (H2O).…

A: The balanced reaction is – 4NH3 + 5O2 →4NO + 6H2O

Q: The Bay of Fundy in Nova Scotia, Canada is reported to have the largest tides in the world with high…

A: Number of minutes in one hour = 60 minutes Number of seconds in one minute = 60 seconds Number of…

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: For each trial (data in Tables 3 – 5) graph the volume of water displaced (in mL) on the x-axis…

A: The graph given shows the amount of water that is displaced with respect to time. The slope of any…

Q: A human hair is 75 um across. How many inches is this? STARTING AMOUNT ADD FACTOR ANSWER RESET *( )…

A:

Q: A jet airplane reaches 843. km /h on a certain flight. What distance does it cover in 15.0 min? Set…

A: The objective of the question is to find out the distance covered by a jet airplane in 15.0 minutes…

Q: According to the National Heart, Lung, and Blood Institute, LDL-cholesterol levels of less than 130…

A: LDL-cholesterol stands for low density lipoprotein cholesterol. These cholesterol are bad for the…

Q: eaming Goal: o convert between metric units expressing length, area, and volume. Converting squared…

A:

Q: 1. A friend claims that a metric ton is more than twice the mass of an English ton because a…

A: 1. A friend claims that a metric ton is more than twice the mass of an English ton because a…

Q: The largest gem-quality diamond ever found is the Cullinan diamond, found in 1905 in South Africa.…

A: To find out the cost a Cullinan diamond, given that the uncut diamond weighs 3106.75 carat and the…

Q: A cooking recipe lists adding 3.0 qt of water as a step. How many mL of water is this?

A: qt stands for quart. One quart (qt ) is exactly equals to quarter (1/4)  gallons . So, quarter…

Q: 9) 1.00 yd (3 ft = 1 yard, exactly) cm

A:

Q: This was sent back.  It is a chemistry sig problem in freshman chemistry   Why is 1376 - (2.4x102)=…

A: No, there is no need to look at the last sig fig while adding or subtracting. There are certain…

Q: At a local hospital, 35 babies were born. If 22 were boys,what percentage of the newborns were boys?…

A:

Q: you have 125 g of a certain seasoning and are told that it contains 22.0 g of salt. What is the…

A: Given,mass of salt = 22 gmass of seasoning = 125 gSo,mass percentage of salt in seasoning = (22…

Q: Convert 1056 feet to miles using the parenthesis method. SHOW YOUR WORK!

A:

Q: 1. A 100 mL beaker was weighed on a centigram balance. Looking at the photo to the right, record its…

A:

Q: (2.6*10^-6)*(2.02*10^4)

A: (2.6*10^-6)*(2.02*10^4) = =(2.6×10-6) × (2.02×104)=(2.6×2.02) × 10-6+4=5.25×10-2

Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44,5 g/km. Suppose a…

A: The weight of wire used to wind the magnet = 603 g. The weight of the 40- gauge wire = 44.5 g/km.…

Q: What were the main results found in this experiment? Include both quantitative results (i.e.…

A:

Q: student sets up the following equation to The ? stands for a number the student is going to…

A: (-8.1*104 cm3)this value converts to m3concept 1m = 100 cm 1 cm3 = 1/1000000 m31cm3 = 1*10-6 m3

Q: 1. Calculate the volume of ball bearings 1 - 7 and record the result with excess significant figures…

A: Since you have asked multiple questions, we will answer the first one for you. To get the remaining…

Q: Using the data below (included for context), what is the equation for the trendline for the data…

A: The velocity of a reaction is the speed at which reactants are converted to products or the speed at…

Q: Best fit line? R^2 value? Density of water?

A: Given Data:Mass vs Volume of waterTo determine:Best fit lineR2 valueDensity of water

Q: You plot A vs Conc (mg/mL) for a set of 5 standards in mg/mL and get the equation for the line as…

A: Given: The best fit line for the absorbance v/s concentration plot is, => y = 0.310 x + 0.315…

Q: You're throwing a pizza party for 15 and figure each person will eat 4 slices how much is the pizza…

A: If we are provide the price of 1 orange, we can calculate the price of 5 oranges by…

Q: You are traveling to the UK, how many US dollars are required to get £ 5.00? (£1=$1.21)  step by…

A: Concept based on the conversion factor. Here we are using the conversion factor from UK Euros to US…

Q: Is this calculation correct? See image below. ...

A: The percentage error is to be determined given: Measured value = 20.0 mL Actual value = 20.01

Q: Pomegranate Juice Orange Juice White Grape Juice copyright 2010 www.sciencebob.com Which Juice is…

A:

Q: 3. Drag the beaker to the sink and fill it with water until the beaker is approximately one-quarter…

A: Given that: Mass of water = 48.6008 g Mass of NH4Cl = 1.9644 g

Q: A chemist prepares a solution of sodium chloride (NaCi) by measuring out 4.66 g of sodium chloride…

A: Given,  Mass of NaCl = 4.66 g  Molar mass of NaCl = 58.5 g/mol  Volume = 50 ml                 =…

Q: Make a graph of the average mass vs. year. Make sure axes are labeled.

A: For the given data, we have to plot the graph of average mass vs year.

Q: w=weight (mass in ___g (grams?) ?)

A: Weight of sample can be calculated as by using density formula:

Q: A person loses 2.70 Ib in two weeks. How many grams did they lose? STARTING AMOUNT ADD FACTOR ANSWER…

A: Consider the given information is as follows; A person loses mass in 2 weeks = 2.70 lb The person…

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.