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Q.1 If 3.5 Moles of Ca(OH)^2 are present in the reaction mixture how many moles of sulfuric acid are needed to complete the equation?
Q.2 What will happen to Mg O reacted with copper?Explain your answer.
Q.3 Which compound has 48 Gm of carbon and 12 Gm of Hydrogen if the R M M is 30?
Q.4 When sodium carbonate is added to magnesium chloride solution the reaction that occur is represented by which equation?
Q.5 Which compound has 3 Gm of carbon and 0.5 Gm of Hydrogen if R M M is 42?
Q.6 20 Gm is burned.what mass of sodium oxide is formed?
Calculate the molarity of a solution of HBr if 34.80 mL of the HBr solution neutralize 0.834 g of Na2CO3. The following is the unbalanced equation for the reaction
Problem- It turns out that the van der Waals constant b equals four times the total volume actually occupied by the molecules of a mole of gas. Using this figure, calculate the fraction of the volume in a container actually occupied by Ar atoms at..
Why does the positive potential superimposed with an AC current allow high mass particles to pass through the quadrupole
Lead (II) nitrate and ammonium iodide react to form lead (II) iodide and ammonium nitrate according to the reaction. Pb (NO3)2 (aq) + 2NH4i (aq) --> Pbi2 (s) + 2NH4NO3(aq)
Problem- What is the pH of 75.0 mL of a solution that is 0.047 M in weak base and 0.053 M in the conjugate weak acid (Ka = 7.2 × 10-8)? pH = ?
identify and discuss three key features associated with the combustion of polymeric materials or compounds that are
The other compartment contains a saturated solution of silver iodide. Both electrodes are silver and the measured potential is 0.476 V. From this information, determine the molar solubility of silver iodide at 298 K.
Question- In the recrystilization step of aspiring synthesis, why should you not add boiling H2O to the ethanol solution
The Managing Director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently. One day she decides to go to her primary healthcare provider for a routine checkup.
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
The atomic orbitals of two iodine atoms combine to form the diatomic molecule. Use the periodic table to determine the atomic orbitals that overlap to form the molecule and the symbol of the noble gas that has the same electron configuration as th..
Identify the reactant and product for each of the following enzymes in the citric acid cycle. (Give the names in the order indicated)
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