In the decomposition reaction,50.10 g of calcium chlorate was heated to produce calcium chloride and oxygen gas. What is the mass of oxygen gas produced from this reaction?

Q: NAMING OF ALKANES AND ALKYNES

A:

Q: 1.58g of magnesium hydrogencarbonate was added to a 1.68 mol/L solution of acetic acid, CH3COOH in…

A:

Q: 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M…

A:

Q: c. The concentrations of products will not change because the forward and reverse rates are equal.…

A: The rate of a reaction is the ratio between change in concentration with respect to time. It can be…

Q: Among the following samples of water, which contains the highest carbonate hardness? oxygenated…

A: Dear student, since the given question is a multiple question hence I solved first question…

Q: (1) number of C atom in 2.5 mole of C. (2) number of O atom in 2 mole of H3PO4. (3) Moles of H₂O in…

A:

Q: 1. Calculate the oxidation number of each element present in the following substances. a) FeO b)…

A:

Q: Can this be solved with clearer steps? In a cancelled unit method.

A: The molarity of a solution can be measured by the ratio between the number of moles of the compound…

Q: Imagine that you have been transported to an alternate universe where all the elements are different…

A:

Q: A sample of propane gas, C3H8, was combusted to produce energy according to the equation:…

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

Q: ) Calculate the atomic packing factor for the face-centered cubic (FCC) crystal structure.

A: For a crystal system the atomic packing factor is defined as the ratio of volume occupied by total…

Q: Based on the image answer the following questions: H- FF FC a) What were these compounds used for in…

A: Based on the image given :

Q: Q1/ Draw the smoothing curve resulting from the reaction of 10 milliliters of sodium hydroxide of…

A:

Q: 7. State the chemical composition (constituent elements and number of atoms of each element) for a…

A: Given  is a molecule of citric acid whose molecular formula is C3H4OH(COOH)3.  Chemical composition…

Q: 1. Using Hess's Law, calculate AH for this reaction: (T: 5) CIF(g) + F₂(g) ---> CIF3(g) given:…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: 1. What is drying to a constant weight? 2. Aside from sieving, what other methods are used to…

A: The detailed solution is shown below.

Q: In an acidic solution with a pH of 3.4, 78% of the acid is ionized. What is the pKa of the acid?

A: pH is defined as negative logarithm of hydrogen ions present in the solution.

Q: The compound made from Al Ions and S Ions should be ?

A: Given statement is : The compound made from Al Ions and S Ions should be ? Formula of the compound…

Q: Show the reaction mechanism of the synthesis of aspirin.

A:

Q: 7. For each of the following reactions Write the oxidation and reduction half reactions Determine…

A:

Q: о он 0 ОН

A:

Q: A sample of propane gas, C3H8, was combusted to produce energy according to the equation: C3H8…

A: Given :  Molecules of CO2 produced = 1.35 x 1024  Density of water = 1 g/cm3  Also, molar mass of…

Q: Draw the structure of the hypothetical molecule that has a chemical formula of JX4 Note: • J does…

A: Given,  The valence electrons of J = 6 and X = 7. The structure of JX4 is:

Q: Addition of manganese chloride to a saturated solution of silver (1) chloride causes a/an_______ in…

A:

Q: Given the following data: Substance A B Molar mass, g/mol 14 40 Density, g/ml 0.534 1.55 Assume a…

A:

Q: True or false? SEM can investigate the crystalline structure of an object

A: SEM microscope can be defined as a  microscope that scan the image of an object.

Q: 38. Magnesium chloride (MgCl2) is the product of a reaction between magnesium (Mg) and chlorine…

A: The reaction of metal with halogen will form metal halides.  For group two elements, as they have +2…

Q: 7. For each of the following reactions Write the oxidation and reduction half reactions Determine…

A:

Q: Give the chemical equations of the following reactions: i. Synthesis of aspirin ii. Synthesis of…

A: According to the guidelines prescribed by Bartleby, we can answer a maximum of three sub-parts per…

Q: 4. The following data were obtained for the follwing chemical reaction: 2A + 3B ---> 2C + D Trial #…

A: Here we are required to find the rate law equation for the given reaction

Q: How do you calculate mass of a known substance (sodium chloride for example) given its amount in…

A: Given,  If moles of known substance given, the mass of a substance can be calculate by using:

Q: 18. The disappearing/reappearing ink investigation demonstrates that acid-base reactions are what?…

A: The disappearing/reappearing ink investigation demonstrates that the reaction can occur in both…

Q: Select the arrows that best represent this proton transfer reaction. H …H N H H H N H yazl N H N H H…

A:

Q: Draw a curve | Sweeping of sodium hydroxide of 0.1 normal concentration with sodium hydroxide of…

A:

Q: construct the lewis diagram for CO2

A: CO2 Lewis Structure Setup Carbon has four valence electrons that form a total of four bonds. So…

Q: f) On average, would you expect IO3 to have longer or shorter bonds than BrO3? Briefly explain your…

A: Here we have to compare bond length of BrO31- and IO31-  .

Q: An unknown liquid was found in a science room and was analyzed by some Chemistry 20 students. To…

A: The solution is given below -

Q: Mg(HCO3)2 + CH3COOH + H2O = CO2 + H2O + mg (CH3 (00)2

A: The unbalanced reaction is -  Mg(HCO3)2 + CH3COOH + H2O = CO2 + H2O + Mg(CH3COO)2

Q: 2. For the following reactions Identify 2Fe²+ + H₂O₂ + 2H+ → 2Fe³+ + 2H₂O a) The atom or ion that is…

A: 2. Recall the given reaction,                            2 Fe2+  +  H2O2  +  2 H+  →  2 Fe3+  +  2…

Q: 1. Which of the following is/are true when Ca(CH3COO)2 is dissolved in water? 1. The salt will…

A: Given compound is - Ca(CH3COO)2    It is a strong electrolyte which on dissolving in water easily…

Q: D[α] 20 (° mL/ dm g)  α (°)  c l   +10.5 5.2 kg/ L 35 cm   – 15.75   2.3 g/ mL  15 cm  + 5.25…

A:

Q: Solution A Solution B Reaction Time 25s 50s 8) Based on the data table above, which of the following…

A: Rate of a chemical reaction depends upon temperature.With an increase in temperature reaction rate…

Q: consider combustion of THC, shown by the equation below: 2 ?21?30?2 +55 ?2 ⟶42 ??2 +30 ?2? How many…

A: Note - Dear student , since the given question is a multiple question, hence I solved first question…

Q: You must separate three different compounds with reversed phase HPLC. Compound 1 is an acid (pKa =…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: KNO3 → NaNO3 + KOH (C)(D) → (A) (D) (C) (B) Ex. Double displacement a.) NaOH (A) (B) 1.) CH₁+ O₂ CO₂…

A:

Q: The following solution mixture is/are buffer ... * O NaH2PO4 and Na2HPO4 O NH3 and (NH4)2SO4 HCOOH…

A: Buffer solution is made by mixing of weak acid and its salt with strong base or by mixing of weak…

Q: 4. Which of the following does not show a proper part: purpose correlation in a voltaic cell? O…

A: We need to indentify the correlation which is not correct

Q: 2. Calculate the amount of energy (in kJ) needed to heat 100 g of H₂O(l) from 0°C to 210°C. The…

A: Given,  The amount of heat needed to change 100g. of water from 0 °C to 210 °C is:

Q: Deduce the structure of compound A C9H1002 , Amax= 253 cm-1 , IR bands,3035, 2960, 2870, 1680, 1610,…

A:

Q: For the equation 2NO2(g) ⇌ N2O4(g) Will reaction move to the right, move to the left or same the…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".