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Determine the charge on each ion in the following compounds, and name the compound.Li2O and CaSthe name and the charges for Li ,O ,Ca ,S
Talc (used in talcum powder) has masscomposition 19.2% Mg, 29.6% Si, 42.2% O,and 9.0% H. What is the empirical formula of the compound
The concentration of an organic pollutant in a lake water sample was found to be 32 ppb. Based on this information, 600.00 kg of the lake
assuming ideal behavior, calculate the boiling point in C of solution that contains 64.5g or the non-volatile non-electrolyte quinoline( molar mass= 129g/mole) in 500 grams of benzene. For benzene the normal boling point is 80.10 C and Kb = 2.53C/..
what is the mass of a rectangular piece of copper 24.4 cm x 11.4 cm x 6.6 cm? The density of copper is 8.92 g/cm^3.
What happens to some solute during crystallization when too much solvent is evaporated and what do you do
Compute the % sodium carbonate (MM = 105.99 g/mol) in this sample.
The substance CS2 has a melting point of -110.8°C and a boiling point of 46.3°C. Its density at 20°C is 1.26 g / cm3. It is highly inflammable. a.)Name this compound.
Write balanced half-reactions and the overall spontaneous reaction. (Type your answer using the format [NH4]+ for NH4+. Use the lowest possible coefficients.)
In photosynthesis, plants form glucose and oxygen from carbon dioxide and water. calculate delta H, delta S and delta G of the reaction. Delta H is 2800.
the equivalence point occurs when 12.75 mL of 0.075M NaOH is added to a solution containing 10mL weak unknown acid and 40mL Deionized water
What volume would be occupied by 100 g of oxygen at a pressure of 1.50 atm and a temperature of 25ºC?
What would you expect to happen to the sizes of these bubbles if they were connected with a tube without bursting either bubble?
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