How many grams of Ti are there in a sample of Ti that contains the same number of moles as a 26.4 gram sample of Cr? grams of Ti

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

A: Given : Mass of Cl2 = 1.855g Mass of KBr = 3.205g  

Q: A 11.630 gg milk chocolate bar is found to contain 7.815 gg of sugar.   What will be the amount of...

A: Given: Mass of milk chocolate = 11.630 g. The mass of sugar in it = 7.815 g. And the mass of another...

Q: How many grams of O are in 565 g of Na, O? mass: g

A: Mass of Na2O = 565g  Molar mass of Na = 23g/mol Molar mass of O = 16g/mol  Molar mass of Na2O = [2(2...

Q: An tentative explanation for the collection of observations is considered a experiment O law O hypot...

A: Experiment - It is a set of trials done to get a result. Law - It is a statement made by observing r...

Q: a) A CH3CO2H, 20 °c b) В H3CO Toluene, 120 °C Lewis acid catalyst "o c) OCH3 + D "BuO CH2CI2, -78 °C...

A:

Q: 4 KO₂ (s) + 2 CO₂(g) → 2 K₂CO₃(s) + 3 O₂(g) What is the mass in grams of oxygen gas that can be prod...

A: The balanced reaction given is, => 4 KO2 (s)  + 2 CO2 (g) → 2 K2CO3 (s) + 3 O2 (g) Given: Mass of...

Q: Within an atom, the positive charge is O concentrated at multiple sites in the atom O spread evenly ...

A: An atom consists of positively charges protons, negatively charged electrons and neutral neutrons. T...

Q: A sample of trifluoroacetic acid, C,HF,O2, contains 72.1 g of fluorine. Calculate the mass of the tr...

A: 1- First calculate the moles of fluorine atoms :  We know that,  moles of F = ( mass / molar atomic ...

Q: The vapor pressure of liquid diethyl ether, C,H;OC,Hs, is 100. mm Hg at 262 K. A sample of C,H;OC,Hg...

A: Given: Vapor pressure of diethyl ether = 100 mmHg. Initial volume of container = 530 mL. Final volum...

Q: Oxide, N2 has a mass ratio of nitrogen to oxygen of 1.00:0.57. Determine the ratio by mass of nitrog...

A: Given : We have to tell the mass ratio of N2O3 and N2O5.

Q: On another planet, the isotopes of titanium have the given natural abundances. Mass (u) Isotope 46TI...

A:

Q: Write the rate law for the following reaction, which represents an elementary step in a reaction. Yo...

A: Interpretation : We have to tell the rate law for the elementary reaction:

Q: Describe the preparation of 0.50L of a 0.20 M Hepes buffer pH 7.7 You are given the following materi...

A: Given information, Volume of buffer solution = 0.50 L Concentration of buffer solution = 0.20 M pH o...

Q: Write a net ionic equation for the reaction that occurs when excess nitric acid (aq) and calcium sul...

A: Ionic equation is defined as a chemical equation in which ionic compounds that are dissolved are sho...

Q: A titanium ore contains rutile (TiO2) plus some oxides of iron and silica. When it is heated with ca...

A: Given: mass of Ore = 19.4 g volume of TiCl4 = 25.0 mL density of TiCl4 = 1.73 g/mL molar mass of TiC...

Q: 10. Regarding anticancer drugs what are the drugs which belongs to antimetabolites group: A. Vincris...

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: Which is of the following is an example of an intensive property? O density O mass volume

A: Intensive properties can be defined as the substance whose properties do not depend on the amount, s...

Q: Match the image to the correct label (Pure substance, Pure compound, Homogeneous mixture, Heterogene...

A: The images given are,

Q: Identify the oxidizing agent in equation below: Zn(s) + Fe(NO3)2(aq)→ Fe(s) + Zn(NO3)2(aq) O Zn(NO3)...

A: Interms of oxidation number oxidation is increase in oxidation number and reduction is decrease in o...

Q: Write a balanced chemical equation based on the following description: solid yttrium metal reacts wi...

A:

Q: Group the elements into pairs that would most likely exhibit similar chemical properties. It does no...

A: the same group elements can show similar kind of chemical properties, which is paired in the table i...

Q: 1. A compound is made up of Carbon, Oxygen, and Hydrogen. It is found to be 60.9% Carbon, 4.35% Hydr...

A: Note : As per our guidelines we are supposed to answer first question .please resubmit the other par...

Q: Write a net ionic equation for the reaction that occurs when excess nitric acid (aq) and barium sulf...

A: Introduction: We have to tell the reaction between excess nitric acid (aq) and barium sulfite (s) ar...

Q: 180 grams of an ointment contains 25grams of active ingredient and 155 gm of excipient. To the neare...

A:

Q: The aggregation of hydrophobic groups between and within molecules (such as the aggregation of Conca...

A: The reaction given is,

Q: A 1.2 M urea(aq) solution is separated from pure water by a semipermeable membrane. During osmosis, ...

A:

Q: Which solution should have the highest vapor pressure? O0.10 M sucrose (C12H2201) 0.25 M sucrose (C1...

A: With the increase in number of moles of the solute or concentration of the solution, the vapor press...

Q: sample of metal has a mass of 21.49g, and a volume of 6.55 mL. What is the density of this metal?  ...

A: Density measures how compact the mass in a substance is.An object  has a high density if it is heavy...

Q: What is the strongest intermolecular force between molecules of methanol (shown below)? H H-C-0-H Lo...

A: Hydrogen bonding:

Q: 4) Chlorine has two naturally occurring isotopes: Isotopes of Chlorine: Percent Abundance: 75.78% At...

A:

Q: Which of the following can be classified as a Lewis base? BH3 NH3 II II IV

A: A species is said to be lewis base if it donates electron pair to acceptor compound to form covalent...

Q: A sample of water with a mass of 23.31g and an initial temperature of 367.67K loses 8615Joules. What...

A: Given,

Q: Calculate the heat needed at 0oC to make each following changes of state, and indicate whether heat ...

A: Calories absorbed or released can be calculated from the transition of state. When solid converts to...

Q: What is the molarity of ions in a 0.856 M solution of AlBr₃ assuming the compound dissociates comple...

A: We can easily calculate the molarity of the ions. Since it is given the salt is completely dissociat...

Q: Ions xk+, zm- Formula XaZb Composition Name N20 Ca?+, Br iron(II) carbonate HI Composition types: M ...

A: Ionic compound  is a chemical compound in which ions held together by electrostatic forces. These co...

Q: When ethylene glycol, HOCH,CH,OH, is added to the water in an automobile radiator, the effect is to ...

A:

Q: Please do all.

A: 1. Here, ring opening occurs by nucleophilic attacks of water under acidic condition.  2. Here, redu...

Q: Label the major peaks and identify the compounds on the IRs provided below.  Explain how the IR for ...

A:

Q: a) CH3-CH2-HCO-O-CH3 (an ester) b) CH3-CH2-CH2-CH2-NH2 c) CH3-CH2-CH2-CH2-CH2OH d) CH3-CH2-CH2-CH...

A: The weak electrostatic force of attraction that exists between the H-atom of one molecule and the mo...

Q: Na SCH,CH, 3 DMF, 0°C CH;I NANO, 5°C CH; CH,-C-OT. CH, H,0 22° С CH3 CH;OH Br 22° С CH, (CHa)»COH, 8...

A: In E2 elimination , base takes the beta Hydrogen which is anti in stereochemistry with respect to le...

Q: Calculate the density in g/mL of 0.362 L of solution weighing 248 grams. O 7.23 O 24.8 O 0.685

A:

Q: NH

A: Resonating structures are the different forms of the the compound that represents the delocalisation...

Q: Which of the following represent constitutional isomers? Choose the most correct answer. H N. ZHN (i...

A: constitutional isomers are isomers which having the same molecular formula but having different conn...

Q: Write the rate law for the following reaction, which represents an elementary step in a reaction. Yo...

A: Given reaction is ,  SO2Cl2(g) → SO2(g) + Cl2(g)

Q: ) Which of the following pairs of compounds are resonance structures?

A: Resonance is the delocalisation of pi electrons.   All atoms must lie in a plane with their  p orbit...

Q: Predict the formula for a compound made from X+ and Y. Insert subscripts as needed. formula: XY

A: Given ions: X+ and Y - Electroneutrality rule: According to electroneutrality rule positive charge m...

Q: F3S3VVHD TNyNRZYYNWOSOT6tp_4Y O CHEMICAL REACTIONS Limiting reactants seous methane (CH) will react ...

A: Given : Mass of methane = 11 g  Mass of oxygen = 57 g     

Q: Given that a 11.630 gg milk chocolate bar contains 7.815 gg of sugar, calculate the percentage of su...

A: We have to calculate the% of sugar in 11.630 g of milk bar.  

Q: how many grams of rock salt (NaCI, molar mass = 58.54 g/mol) are required to reduce the freezing poi...

A: Given : Molar mass of NaCl =58.54 g / mole  Mass of water = 285 g  Kf = 1.86  ∆Tf = -19°C  To find: ...