A ball bearing at 280.4 °C is dropped into a cup containing 245.1 g of water at 10.7 °C. The water and ball bearing come to á temperature of 35.4 °C. What is the heat capacity of the ball bearing in J/°C? C = i J/°C

Q: A sample of NO2 occupies 16,500 mL at STP. How many NO2 molecules are in the sample? 1. 5.88 × 1022 ...

A:

Q: This is about Quantum Numbers, Electronic Configuration, and Periodic Trends.  Following are descri...

A: ANS. Sr (strontium)

Q: What type of reaction has occurred? How do you know? CH3 CH2 =C

A: We have to use some reagent for this reaction.

Q: What is the molecular weight of gas X if it effuses 1.25 times as rapidly as N2? (5 points) 4.

A:

Q: 2. What would be the mole fraction of BeCl2 in the solution in problem #1?

A:

Q: For the reaction 4 PH, (g) = 6 H,(g) + P,(g) the equilibrium concentrations were found to be [PH,] =...

A:

Q: Using specific heat eap A chemical reaction takes place inside a flask submerged in a water bath. Th...

A: The heat transferred ( q ) can be found out using the equation,           q = m × C × ΔT  m =   mass...

Q: 9. A 250 ml flask containing 1.0 g of excess BN(s) is injected with 0.21 mol of Cl,g). 2 BN(s) + 3 C...

A:

Q: The element hydrogen, using the Rhydberg equation, can be  used to calculate the energy difference b...

A: The calculated frequency and wavelength are 

Q: Consider the reaction: CO2 (g) + H2 (g) → CO (g) + H2O (g) ,for which Kc=0.64 at 900 K. If the initi...

A:

Q: 1. The gas pressure in an aerosol can is 1.8 atm at 25°C. What pressure would develop in the can if ...

A: Gay-Lussac’s Law: According to Gay-Lussac’s law, if we increase the temperature of a definite amount...

Q: 4. Chlorine can replace bromine in bromide compounds forming a chloride compound and elemental bromi...

A:

Q: 6) Classify the compound below as aromatic, antiaromatic, or nonaromatic. Assume planarity of the n ...

A:

Q: O THERMOC Understanding the definition of enthalpy Measurements show that the energy, of a mixture o...

A: here we are required to find the enthalpy change of the reaction and determine the nature of reactio...

Q: Based on Group Theory and Symmetry of Inorganic Molecules: Give the product of C53 x C53 and C53 x ...

A: The solution of the following compound is given below:  

Q: A copper atom has a mass of 1.06 x 10 - 22 g and a penny has a mass of 2.5 g. Use this information t...

A: Given,  Mass of 1 copper atom = 1.06 × 10-22 g Mass of a penny = 2.5 g Mass of 1 mole of copper atom...

Q: Use the properties of the exact differential and the defining equations the derived thermodynamic va...

A: See below. thank you

Q: Please Write a max of 5 pages report a. Define , Describe Structure , Types , properties , Appl...

A: You have posted multipart of question as per the guidelines i have solved first three subparts kindl...

Q: lightest element observed to commonly undergo alpha decay,  Write the balanced nuclear equation for...

A:

Q: CH3 H3C Acid ÓH Type of Reaction: 1. + H20 2. H. Type of Reaction: Catalyst + HBr 3. Type of Reactio...

A:

Q: Calculate the equilibrium concentration of HC204 in a 0.20 mol L-1 solution of oxalic acid. Express ...

A: Given data, molarity of oxalic acid= 0.20 M  Ka of oxalic acid= 5.37 *10-2 

Q: O THERMOCHEMISTRY Understanding the definition of enthalpy Measurements show that the enthalpy of a ...

A:

Q: balance

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: State the direction (forward or backward) in which each of the following equilibrium systems would b...

A: If a system in equilibrium is subjected to change of concentration ,temperature ,pressure,addition o...

Q: t mass

A:

Q: viscosity

A: In this question we have to explain the relate viscosity to strength of IMFs among liquid molecules.

Q: LNow. ie's ouk a the date for the reationchip beleen PVDE Hre data trom question 210 Calalate the in...

A:

Q: the standard NaOH(aq). Compare the hydronium ion concentration to the hydroxide ion concentration wh...

A:  This question based on acid base titration . The given HCl is neutralized by NaOH .  So we can calc...

Q: h heat is

A:

Q: o Propose a multistep synthesis to make each of the following products from the given starting mater...

A:

Q: s limiting reactant?

A:

Q: 3. A solution is prepared by dissolving 66.0g of acetone, C3HeO, in 146.0g of water. The density of ...

A:

Q: A sample of a mixture of oxalic acid, H2C2O4, and sodium chloride, NaCl, has a mass of 4.554 g. If a...

A: Given: Mass of mixture = 4.554 g Volume of NaOH = 29.58 mL Molarity of NaOH = 0.550 M Known: Molar m...

Q: meo EtO.

A:

Q: 1. Compute for the concentration of the components of a sweet and sour solution containing 15 g suga...

A:

Q: Solutions administered intravenously must be isotonic to prevent cell crenation or hemolysis. Select...

A: Solution -  Above statement is False Explanation - According to the question - No change in cell vol...

Q: In biology the equilibrium equations that keep living organisms alive are called homeostasis. How do...

A: Homeostasis is the condition in living organisms where the equilibrium equations that keep loving or...

Q: Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equa...

A: Given :-  ? → Ca(NO2)2(aq) + H2O(l)  To determine :-  reactants through which given products are for...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: The given set of questions are answered as follows,   Given:  Heat flows out from the gaseous mixtur...

Q: For which of the following problems would ICP-MS be appropriate? Explain why. a. For the characteris...

A: ICP MS is an analytical technique used for the analysis of trace elements .

Q: A generic salt, AB,, has a molar mass of 329 g/mol and a solubility of 3.20 g/L at 25 °C. AB2 (s) = ...

A:

Q: Which of the following solutions has the highest total concentraion of ions? a. 0.045M Al2(So4)3 ...

A:

Q: molarit

A:

Q: Balance the following chemical equation and determine the number of moles of Fe(s) produced when 8.1...

A: The given reaction is., Fe2O3 (s) + C (s) -----> Fe (s) + CO2 (g)

Q: Show how you calculated the pka of the two acids A) phosphoric acid ph= 2.63 B) sulphurous acid ph=...

A: Answer: Given data- pH of phosphoric acid= 2.63 and pH of sulphurous acid= 2.30. To find - pKa value...

Q: C. Draw the chemical structure of the following: 11. bromocyclobutane 12. propylcyclohexane 13. fluo...

A: The structure of an organic compound is written in the following steps: Determine the number of car...

Q: Caleulate (a) speed, (b) radius and (e) the debroglie wavelength of the electron in the srd Bohr orb...

A:

Q: How can ethos and pathos be used in informative writing?

A: Ethos and pathos used in informative writing.  

Q: A new monosaccharide has been discovered! OH 1 CH,OH OH OH Draw the disaccharide that would result f...

A:

Q: he mass of 1 n

A: