a formula unit of

Q: tion 10 of 26 rature measures heat. the correct response: True

A: A physical quantity is a physical property of a system that can be quantified by measurement.…

Q: Temperature measures heat. Select the correct response: O True False

A: Heat is an energy.It is used to create random motion in the molecule. If two substances has some…

Q: Question 10 (1 point) A penny has a total mass of 3.3 g. Zinc makes up 2.6 g of the penny. What is…

A: Given, Total mass of penny = 3.3 gMass of zinc = 2.6 g We need to calculate the percentage of zinc…

Q: Which piece of equipment gives the lowest uncertainty   Question 15 options:   100 mL beaker   25…

A: There are different type of equipments which can be used to measure the volume of any liquid…

Q: Multiply 21.5 x 3.149 and report the answer to correct sigfigs. 67.704 6.83 67.7 0 67 70

A: On multiplying 21.5 by 3.149, we get the answer 67.704 . According to significant rules of…

Q: Draw a visual summary of all the units in grade 12 chemistry

A: A Challenge in Visualizing the Entire Grade 12 Chemistry CurriculumUnfortunately, creating a single,…

Q: -Determine the question character with calculation in the following Table. Cziz 2C 20a 2S4 Al 1 BI…

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Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: The image below illustrate the complete separation. True or False? O True False

A: In the given image it is clear that there are three type of molecules: Red ones Blue ones And black…

Q: millimeters meters centimeters 96.1 12.6 61.5

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Q: An electric current of 155.0 mA flows for 42.0 minutes. Calculate the amount of electric charge…

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

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Q: Discuss the difference between theory and scientific law

A: Theory: The plausible explanation which is given for various kinds of phenomenon, event or behaviors…

Q: Which common inexpensive metal was more valuable than gold in the nineteenth century?

A: Solution:       Aluminum is considered as the third most abundant element in the earth crust after…

Q: Current events related to chemistry

A: Revealing of corrosive secrets of chemistry  Oct. 13, 2021 — Iron, water and oxygen are having…

Q: Is density a chemical or physical property? O Chemical Physical

A: Answer: In general properties of substance can be classified into following two parts: 1. chemical…

Q: None

A: The molarity of dieldrin =0.473mM=0.473× 10−3M (Given)(As we know 1mM=10−3M ) The volume of the…

Q: a) or b) О Н OH

A: An aromatic hydrocarbon containing a primary or secondary alkyl substituent is oxidized by potassium…

Q: Knew heat of respectively. Standard entropy at 25°C (cal 51,10 and 31,21, respectively. Question 2:…

A: To determine the Kc and Kp for the reaction, S(s) + O2(g) ⇌SO2(g)-       1 M           0.6 M-…

Q: N. CI

A: The given target imine can be formed by the reaction of propylamine and tetralone. Breaking of…

Q: Which is the lowest temperature?   Question 1 options:   –20°F…

A: In order to compare the temperatures, we need to convert all of them to a common scale. The Kelvin…

Q: Does standard deviation give a measure of precision or accuracy?

A: Interpretation - Does standard deviation give a mesure of precision or accuracy -      Introduction…

Q: 16.1 cm2 converted to km2

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Q: Question 6 Indicate what is true when using a graduated cylinder to measure volume. Multiple answers…

A: the statement that is true when using a graduated cylinder to measure volume:

Q: solve question 2) The most inaccurate glassware for measuring volume iz   a) Beaker   b)…

A: The most inaccurate glassware for measuring volume is:

Q: 1) 2) 3) 4) 5) Li3PO4 + MgF₂ + P4 + RbNO3 + AgNO3 + NaOH → Li2CO3 → O2 → -P2O3 MgF₂ → LIOH + MgCO3 +…

A: The above given question are to balance the chemical equation.  Balancing of chemical equation…

Q: A pure substance that is composed of only one type of atom is______.   Group of answer choices a…

A: The matter is described as any material that occupies space and has mass. The matter is further…

Q: Complete the following table. Be sure each of your answer entries has the correct number of…

A: Answer:This problem is based on unit conversion where given physical quantity needs to be converted…

Q: The combined ages of three dogs is 24 years. Dog B is five years less than twice the age of dog A.…

A: Let's denote the age of dog A as a, the age of dog B as b, and the age of dog C as c.

Q: Using the activity series (Figure below), determine which combination of reactants will react with…

A: The activity series helps in determination of occurrence of a reaction whether the following oxiding…

Q: What are the similarities in random error and systematic error? In analytical method and graphical…

A: Answer - Random error - Random error is a chance difference between the observed and true values of…

Q: Round each number as indicated  a) 8.3158 (3 SF) b) 25225 (3 SF)

A: General rules for the significant figures are: 1) All non-zero numbers are significant. 2) Zeros…

Q: A quantity of substance that can be seen would be considered the A level.

A: The complete sentence is: "A quantity of substance that can be seen would be considered the…

Q: 4. F-1 (longhand) 5. K*1 (longhand)

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Q: Question 1 (1 point) Why was the Declaration of Independence written? O a Secure the rights of the…

A: 1.The declaration of independence was written to gain independence from Great Britain

Q: Why does the water go up to the bottle? I need claim, evidence and reasoning

A: Why does the water go up to the bottle? Answer and explaination is given below.

Q: What is the volume measurement indictatede in the volumetric glassware ? 1. Graduated Cylinder…

A: Among the given picture, the first image is a graduated cylinder. Graduated cylinder is also known…

Q: Two methods were used to measure the arsenic level (ppb) in drinking water. Quantity Mean arsenic…

A: First, we need to calculate the F value and T-value, and compare the standard deviations for the two…