H. 2 3 C=C=C H H. What is the sign of the oxidation number? For zero select "none" [ Select ] What is the number of the oxidation number? [ Select ] Whot ic tho anpronriate location of the sign in an oxidation

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Q: 10. If the density of an object is 2.87 x 10-4 lbs/cubic Liter, what is its density in g/ml? 7. A…

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Q: Complete the following table. Round each of your answers to 3 significant digits. a corn muffin food…

A: Conversion formulae are:  1 Kcal = 103 cal  1 cal = 4.184 J  1 KJ = 103 J

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

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: logarithm number or significant figures? [3 min] A 2 В 2.0 С 2.00

A: Significant numbers help in expressing the digit or value of something with more accuracy. It starts…

Q: A brick has a mass of 4.0 kg and the Earth has a mass of 6.0 × 10²7 g. Use this information to…

A: Given,mass of a brick = 4.0 kgmass of earth = 6.0 x 1027 g.

Q: 8. Do the following calculations. Be sure your answers have the correct number of significant…

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

Q: A sample of gold alloy has a mass of 9.3 kg. It is determined that 0.6 kg of the alloy is actually…

A: Answer:Mass percent of a substance can be calculated as:

Q: Provide the answers with proper number of significant figures in the following operations. 1. 20.1…

A: 20.1 - 28.28 ÷ 5.7  2.40 + (4.259 × 0.00710 )   -log ( 6.267 × 10-5 ) + 7.20 antilog (9.78)  30.2…

Q: Question 1 Give the correct number of significant figures for 2500, 2500. , 0.0043, 0.06050

A: The answer for question 1 is given below. Kindly repost the other question as separate one. 1) To…

Q: Question #3: Fill in the number or 1/[S] in the table below. Round to the nearest hundredth.…

A: In the given question we have to fill the data.  rate  is given we have to find out 1/[S] = 1/rate…

Q: - a) Explain how you can determine the density of an unknown liquid using a pycnometer. b) A…

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Q: -23 An iron atom has a mass of 9.27 x 10 g and a cooking pot has a mass of 0.500 kg. Use this…

A: The mass of 1 atom of iron is 9.27 X 10-23 gThe mass of the cooking pot is 0.500 kg.To find the…

Q: (285.0 x 10°)- (1.300 x 10')] × 2.8988 Express your answer to the appropriate number of significant…

A: Following are the appropriate answers of the given questions.

Q: A year ago I had a barbeque on March 1st.  I invited 16 friends to join me.  I planned to serve each…

A: Given that, Total friends =16 It is planned to serve each 1 hot dog, 2 hamburgers and 3 cans of soda

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

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Q: Which of the following will have 1 decimal place in the correct answer? O 145 cm + 76.9 cm O 1.23 cm…

A: Answer: In addition and subtraction operations, number of significant figures to the right of the…

Q: Finding the side length of a cube from its volume in liters A technical machinist is asked to build…

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Q: Help me find the % deviation : #1: 7.77 #2 : 7.78 #3: 7.74 i know the average is 7.76…

A: Not

Q: A student determines the density of an object to be 5.9 g/mL. The actual density is 5.78 g/mL. The…

A: Answer:

Q: (7 x 10-5) (6.30 × 10¹) (7.76 x 10-8) Express your answer using the correct number of significant…

A: A). After calculating , upto 3 significant figure 5.68  * 107

Q: b. 13678= Estimated uncertainties in measurements are at least ±1 value in last reported digit.…

A: Given: For a) Length = 254.7 mm Width = 25.3 mm Height= 136.8 mm For b) Length = 254.8 mm Width =…

Q: What is the result of the following calculation to the correctnumber of significant figures?(6.266 −…

A: (6.266 − 6.261) ÷ 522.0 = ( 0.005) ÷ 522.0 = 9.579 x 10-6  Number of significant figures are 4.

Q: Evaluate the following expression: 1.723 × 10² + 7.38 × 10³

A: Rule of significant figures (SF) in mathematical operations:(i) Addition and Substraction round by…

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A: Given that running at 1 mile/hr uses 661 calories in an hour. So rate is 661 cal/hr.

Q: Please use these numbers: (#1 Answer) Balance A: 15.746 Balance B: 15.75 Balance C: 15.7 (#2…

A: Relative uncertainties in density: Uncertainty in A = ±0.00115.746= ±6.35 ×10-5= ±0.00006…

Q: with the correct significant figures

A: All parts have been solved. Any additional query is welcome.Explanation:Antilog of 5.667, here base…

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Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H20: 4 NH3 (g) + 7 02 (g)…

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Q: True/False Questions. Write False next to the following statements if the statement if false. Write…

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A: Significant figures, also known as significant digits or sig figs, are the digits in a number that…

Q: Which has the correct answer?                  (in significant figures)…

A: Significant numbers are very useful for accurate measure of any measurement.

Q: Compare the objects and masses from Part III. Which measurement included the highest percent of…

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Q: A thermometer reading 7°C is brought into a room with a constant temperature of 28°C. If the…

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Q: Question 1: Determine whether the answer to each calculation has the correct number of significant…

A: (1)