In a semiconductor, the bonding molecular orbitals that contain electrons are referred to as the antibonding orbitals that are completely empty are referred to as the single bond, antibond while the conduction band, valence band valence band, conduction band n-type, p-type p-type, n-type

Q: 1. Platinum ( pt) a. Write the physical and chemical properties of the element above. b. Write the…

A: Please find your solution below :  a. Physical properties : Atomic number = 78 Atomic mass =…

Q: TARTING AMOUNT X The Bay of Fundy in Nova Scotia, Canada is reported to have the largest tides in…

A: Given rate = 6.08 feet per hour  To calculate rate in meter per second.

Q: 21.0 calories is equal to how many joules?

A:

Q: What does salinity mean? O A. A measurement of the amount of floating particles in fresh water. O B.…

A: Salinity : it is also known as saltiness. It is defined as amount of salt dissolved in a water body…

Q: Many processes occur in the digestive system. Which process is best classified as a physical change?…

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Q: What is the mass of 2.6 L of ethyl alcohol, which has a density of 0.789 g/mL? Edit View Insert…

A: given, the volume of ethyl alcohol = 2.6L = 2.6×1000 mL = 2600mL density = 0.789 g/mL

Q: set öf tautomers? HDJCMD H. OH MacBook Air 000 D00 F4 F5 %

A: Applying concept of tautomerism.

Q: Is wood burn change? a physical or chemical O Physical O Chemical

A: Burning of wood is physical or chemical change ?

Q: Write each number in scientifi c notation: (a) 2,500; (b) 0.036

A: Scientific notation is an easy way to represent a very large number of a very small number in a…

Q: 1. B CH₂OH

A:

Q: 5. Complete the following conversions 10.68 g to mg e. 2.00 in? to cm? b. 6.8 x 10* mg to kg c. 25.0…

A: According to our policy we should solve one question ( If any subpart present then we solve  first…

Q: 38) During the early 1970s, the price of copper rose to a point where the cent contained almost one…

A:

Q: What distance in miles can you drive in your new Prius hybrid, if your car gets 48.0 miles per…

A: The given question is based on dimensional analysis. Dimensional analysis is the analysis of the…

Q: What is the main foundation of chemistry

A: What is the foundation of chemistry, this is a very vast question. Chemistry is a subject which can…

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 officers of a high school senior class are planning to rent buses and vans for a class trip.…

A: Detailed explanation:Step 1: Understand the Problem There are two categories of vehicles to think…

Q: 2. Give the answer with correct sig.figs.: 332.57 +24.668 x 2.38

A: The order of operations is a rule that tells the correct sequence of steps for evaluating a math…

Q: Differentiate between filtration and decantation. Which is more effective

A: We will differentiate between filtration and decantation.

Q: balance this 2Al+2KOH+4H2SO4+24H2O---->

A: We have to balance given equation 2Al+2KOH+4H2SO4+24H2O---->

Q: You can calculate the cost per dose using the following formula: cost of container number of doses…

A: Solution :    Antacids are the type of bases that are used to neutralize the acid which causes a…

Q: The practice of medicine dates back _____. hundreds of years thousands of years millions of years…

A: Medicine is science and practice of diagnosis, treatment and prevention of disease

Q: 1. The average adult is about 55% water by mass.  How many grams of water are in a 175 pound adult?…

A: Few questions based on dimensional analysis that is to be accomplished.

Q: 2 moles HI

A: In the given reaction ether reacts with two moles of hydrogen iodide. The product of the reaction is…

Q: Chemical conversions 1. What is the molecular weight of nitrobenzene, often known as C_6*H_5*O_2*N?…

A: Given  Molecular formula of nitrobenzene = C6H5O2N  No. of moles = mass given ÷ molar mass  Atomic…

Q: Eighteen please

A: We have to tell which solution has highest buffer capacity

Q: What is $4 million written in standard form?

A: I general a measurement or calculation can be written in the number form which can be in a large…

Q: C CI Br you

A:

Q: B C D E total mass total volume of water in the beaker (ml) 10.05 10.05 20.05 20.05 30.05 30.05 11…

A:

Q: minute 2 Hydrated copper(i) sulphate crystals were heated

A: Answers to all the parts of question 2 given in the following step

Q: Stable uhuchere

A: A 3D molecule can be represented in a plane of paper and it can be represented in different ways 1)…

Q: A carpet sells for $28.99 per square yard. What is the price of the carpet per square meter? $ How…

A: A carpet sells for $28.99 per square yard  We have to calculate the price of the carpet per square…

Q: Convert 23570 mg into kg using conversion analysis

A: The given problem is 23570 mg.

Q: 5. Density is an important property of the matter, answer the following: (b) Select (1) or (2) to…

A: Here, we have to find whether density is a physical or chemical property of matter.

Q: Prepared 8 M of HCL in 500 ml, that density is 1.19 g/cm3 and percentage * ?% w/w is 37 The volume…

A: Option C is correct answer. The volume needed is327.06 ml.

Q: 10. When an irregularly shaped solid of mass 105 g was placed in a cylinder that contained 25.00 ml…

A: The volume of the water displaced by the body in the cylindrical tub is equal to the volume of the…

Q: The boiling point of hydrogen is -253 oC. What is this temperature in Kelvin? -20 K…

A: In this question, we have to to do conversion of boiling point of hydrogen -253°C into Kelvin unit.

Q: 5. TRUE or FALSE a) Chemical reaction is an example of chemical change. b) Rusting of iron shows a…

A:

Q: > In a typical quantitative analysis, which step is the most crucial? What part will make or break…

A: Quantitative Analysis  Using mathematical and statistical modelling, measurement, and investigation,…

Q: Classify each of the changes/characteristics from Experiment 6 (Chemicals in Everyday Life) as…

A: