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Magnesium combines with chlorine, Cl2, to form magnesium chloride, MgCl2, during a synthesis reaction.
a) Write a balanced chemical equation for the reaction.
b) How many moles of magnesium chloride can be produced with 3 moles of chlorine and an excess of Magnesium?
What is the molarity of the solution resulting from the dissolution of 209 g glucose (C6H12O6) in 250 mL water
At 25 °C, water has an equilibrium vapor pressure of 23.8 mm Hg. If 2.500 g of water is sealed in an evacuated 10.0-L flask and heated to 25 °C, what mass of water will evaporate?
One liter of water will dissolve 2.15* 10^-3 mol of PbF2 at 25 degrees c. Calculate the value of ksp for PbF2.
Predict what product favored reaction will occur when potassium metal is dropped into liquid water. Write a balanced chemical equation for the process and explain breifly how you made your predicition.
Problem- What is the total number of moles (n) of electrons exchanged between the oxidizing agent and the reducing agent in the overall redox equation: Cr2O72-(aq) + 6Fe2+(aq) + 14H+(aq) ? 2Cr3+(aq) + 6Fe3+(aq) + 7H2O(l)
Simple distillation and Fractional distillation which method is more appropriate for separating the two unknown hydrocarbons
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The structure of 3-methylbutyric acid is shown below. Draw a second molecule of 3-methylbutyric acid
Calcium hydride reacts with water to give gaseous hydrogen and calcium hydroxide
On the basis of difference in electronegativity, predict whether the subsequent pairs of elements will form and ionic or polar covalent bond
Platinum exhibits an extremely intense emission line at 214.4 nm. Could the spectroscope that you used in this lab, also be used to observe this electromagnetic radiation. Explain.
The ionization constant or dissolution constant (KA) for acetic acid (HAc) is 1.8×10-5. (1) Write down the dissociation reaction. (2) Estimate pH of a solution containing 0.6 g of acetic acid in 1 L of water. Molecular weight of acetic acid is 60 ..
Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen.
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