the

Q: For each atom in the table below, write down the subshell from which an electron would have to be re...

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Q: The elements X and Y form a compound that is 40% X and 60% Y by mass. The atomic mass of X is twice ...

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Q: Write the balanced NET ionic equation for the reaction when HNO₃ and CsOH are mixed in aqueous solut...

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Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final temperat...

A: Calculate for the final temperature of the mixture see step-2 for further Calculation and concept Re...

Q: An autoclave is used to sterilize surgical equipment. Itis far more effective than steam produced fr...

A: In autoclave, the sterilization process is done using high pressure and steam, which kill microorgan...

Q: Iron(III) oxide reacts with carbon monoxide according to the equation: Fe,0;(6) + 3 CO(g) – 2 Fe(s) ...

A: The given reaction is, Fe2O3(s) + 3CO(g)  → 2Fe(s) + 3CO2(g)  Given that: mass of Fe2O3 = 22.55 g m...

Q: help which one

A: Solution- mass of the solution = 28g density =massvolumevolume = massdensityvolume=209 g1 g/mL=209 m...

Q: Pls help on these four questions. They are not long so pls do all of them.

A: If you solving this type of questions, you keep in mind properties of atom and prediodic trends.

Q: A sample of an unknown compound is vaporized at 120. °C. The gas produced has a volume of 1200. mL a...

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Q: Summarize how electronegativity difference is related tobond character.

A: The nature of bond between two elements depends on electronegativity difference between those two el...

Q: Select the necessary reagent(s) for the following transformation.The answer is NOT Cu^2+ a. H+/H2O ...

A: Given reaction 8s, oxidation of thiol to disulfide compound.

Q: Would you expect KCl to dissolve in water?

A: Like dissolves like. Polar molecules gets dissolved in polar solvent.  

Q: Explain, in terms of solution properties, why a wiltedplant regains its “health” when watered.

A: Osmosis is the movement of solvent from a low concentration solution to a high concentration solutio...

Q: I need the answer answer and Why? ASAP. Thank you...

A: L isomers have the hydroxy group attached to the left side of the asymmetric carbon furthest from th...

Q: For each atom in the table below, write down the subshell from which an electron would have to be re...

A: This question deals with electronic Configuration of atoms 

Q: If you plot the absorbance measurements of solutions vs. their concentrations, what is the slope equ...

A: Molar Absoptivity Problem A= ECL Slope = EL  Step-2 Has Picture that has proper explanation with gra...

Q: Pls help on this question ASAP.

A: The question is based on the periodicity of elements. we have to arrange the given atoms in accordin...

Q: Please rank the order of reactivity of the following compounds toward hydroxide ion (1 = most reacti...

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Q: Which statements about subatomic particles are true? a. If an atom has an equal number of protons an...

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Q: Carbon-12 contains six protons and six neutrons. The radius of the nucleus is approximately 2.7 fm (...

A: 1 fermi meter = 10-15 m 1 picometer = 10-12 m The volume of the nucleus is calculated as follows:

Q: What are the units and numerical value of standardtemperature?

A: The standard unit of temperature is Kelvin.  

Q: Predict the charge of the ion formed by each element. a. O b. K c. Al d. Rb

A: Atoms can either lose or gain electrons , so that it outermost valence shell has eight electrons ful...

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat o...

A: Solution :       The calorimeter is an instrument that is used to measure the specific heat of a sub...

Q: Which element in each pair is more electronegative?a. K, As b. N, Sb c. Sr, Be

A: In periodic table the trend of electronegativity is as follows: As we move from left to right in a ...

Q: Select the necessary reagent(s) for the following transformation. a. I2 b. H2/Pt c. Cu^2+ d. ...

A: Applying concept of cannizaro reaction.

Q: A chemistry graduate student Is glven 250. mL of a 0.70M acetic acid (HCH,CO,) solution. Acetic acid...

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any c...

Q: 1. Li(t-BuO),AIH ?? CI 2. H,о OH O-tBu OH

A: The question is based on the concept of organic reactions.   we have to identify the Product formed ...

Q: Chromium, a transition metal used in chromeplating, forms both the C r 2+ and C r 3+ ions. Write the...

A: Chromium, a transition metal used in chrome plating, forms both the Cr2+ and Cr3+ ions. Write the fo...

Q: Explain how a strong electrolyte, a weak electrolyte, and a nonelectrolyte differ

A: Electrolytes are a substance amalgam. It is breaks into ions in water. The positively exciting ion i...

Q: Predict the product(s) of the following reaction. H;C-o-L -(CH2)14CH3 excess NaOH HC-O -(CH»)16CH3 ?...

A: Ester hydrolysis reaction: In the ester hydrolysis reaction, the ester is converted into carboxylic ...

Q: Greek prefixes like "di," "tri," "tetra," etc. are used for is ternary ionic  compounds only  acids ...

A: An ionic compound consists of a stronger ionic bond which is formed by the complete transfer of the ...

Q: What is the pH of a buffer prepared by combining 0.36 moles of a weak acid, HA, with 0.69 moles of N...

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Q: Draw the MgBr OH [1) BrMg OH (2] H,O BrMg. MgBr + MgBr draw structure draw structure.

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Q: A heater transfers 61562.4 to a 136.2 KG iron bench how much does the temperature of the bench rise...

A: Q = m . s . ∆T Where, Q = heat transfer in J; m = mass of substance in g; s = specific heat of subst...

Q: Determin the pOH for a 1650 mL solution of 3.00 g of Mg(OH)2

A: Given: The volume of the solution is 1650mL. The mass of the solute is 3 g.  

Q: Identify the reaction type.

A: Reduction of carbonyl compound: Carbonyl compound reduced into alcohol by several reducing agents. A...

Q: What sets of reagents will result in an efficient Williamson ether synthesis (SN2)?

A: A option is right answer

Q: Consider the reaction CH3OH(l)   ⇆  CH3OH(g)                    Use the following thermodynamic dat...

A: At the boiling point, the liquid remains in equilibrium with its gaseous state. So at the boiling po...

Q: Chemistry Question

A: From given data :  Calculate ∆H for CH4 + NH3 ---> HCN +3 H2 

Q: Label the R group(s) in each of the following compounds. CH;-CH,-CH,-0–CH,–CH,–CH3 a. b. CH3-CH,-CH,...

A: Labels the R group/ groups in each compound= ? 

Q: Based on given redox reaction; The solution of Fe2* that is obtained by dissolving 1.187 g of Iron o...

A: We have to find the mass percentage 

Q: Identify whether each species functions as a Brønsted-Lowry acid or a Brønsted-Lowry base in this ne...

A: According to Bronsted- Lowry acid- base concept, species which can donate H+(proton) are acids. And...

Q: Calculate the mass percent composition of nitrogen in each nitrogen-containing compound. a. N,0 b. N...

A: Calculate the mass percent composition of nitrogen in each nitrogen-containing compound. a. N2O b. N...

Q: A titration is performed with KOH and HCl. 0.0100 M HCl is used to titrate a 60.0 ml sample of a 0.0...

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Q: Calculate the number of mol of a gas that is present ina 7.55-L container at 458C, if the gas exerts...

A: Given: Pressure (P) = 725 mmHg( 0.954 atm) Volume =7.40 L Temperature = 45°C (318 K) R = gas constan...

Q: The following gas phase system is at equilibrium: CCl4(g) + CH4(g) ⇄ 2 CH2Cl2(g)The pressure of each...

A: Here the pressure of each of the gases given which are present at equilibrium. From the given values...

Q: On our campus, there are approximately 30.000 students who use 2.5 x 10° kJ of energy per day. Suppo...

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Q: From the given empirical formula and molar mass, find the molecular formula of each compound. a. CH,...

A: From the given empirical formula and molar mass, find the molecular formula of each compound. a. C6H...

Q: CH3 CH2 CH2 CH2 COOH + NH3=

A: solution- following above equation balance  is given below-  

Q: Explain the role of chemical kinetics in the formation and destruction of ozone in the atmosphere.

A: Given : Formation and destruction of Ozone.  To find : role of chemical kinetic.  Solution : As we k...