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The average distance between planet X and Earth is about 2.59 x 108 miles. How long (minutes) would it take pictures transmitted from a space vehicle on Planet X's surface to reach Earth? Round to one decimal place,
The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to supply 4.28 g of sodium sulfate?
Properties of subatomic particles - Fill in the missing relative masses and relative charges for each of the subatomic particles
What is the maximum no of S.F possible in final result (concentration of NaOH)? Explain.
Combustion of a .2000g sample of vitamin C sample produced .2998 g of carbon dioxide and .0819 g of water. If this compound is composed of C, H, and O, then what is its empirical formula?
The mass of an average blueberry is 0.72 g and the mass of an automobile is 1900 kg. Find the number of automobiles whose total mass is the same as 1.0 {rm mol} blueberries.
Which of the following types of radiation is composed of particles with a charge and mass identical to that of an electron?
What is the rate constant for the reaction at 85°C?
How many grams of potassium permanganate are needed to decolorize 1g of 2-pentane in basic solution?
Describe the mixture before it is centrifuged. Be specific using scientific words that aplly such as homogeneous or heterogeneous
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
Calculate the solubility of Ba(IO3)2 in 0.033 M solution of Mg(IO3)2 considering both the electolyte and common ion effects. Ba(IO3)2 Ksp
A mineral containing iron(II) sulfide but no other sulfides is treated with excess hydrochloric acid to produce hydrogen sulfide. If a 3.15 g sample of the mineral yields 448 mL of hydrogen sulfide gas
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