How far is the earth from the sun?

A. 1 parsec

B. 1 kiloparsec

C. 1 light-year

D. 1 AU

In step 6, khp was dissolved in a trivial amount of deionized h2o prior to titration with naoh. why was it acceptable to use an approximate volume of h2o when this solution was used to determine the exact amount of naoh that was neutralized?

How many nitrogen atoms are present in calcium nitrate, Ca (NO3) 2?

The atomic and mass numbers for four different atoms are given below. Which two are isotopes of the same element? Atom Atomic number Mass number a 100 257 b 101 257 c 101 260 d 102 259 A.) A and B B.) B and C C.) B and D D.) C and D

The reaction 2N2O5 (g) eys the rate law: rate = k[N2O5]. In which the specific rate constant is 0.00840 s-1. If 2.50 moles of N2O5 were placed in a 5.0-liter container at that temperature, how many moles of N2O5 would remain after 1.00 minute?

How many moles of water molecules are in 6.81 g of magnesium sulfate heptahydrate (Epsom salts

How might we create the best possible solution to a problem?

A runner at a track meet completes exactly one lap around a 400 m track. what is the distance? what is the displacement?

Match the following with their correct molecular weight. 2-butanone Propyl acetate 4-methyl-2-pentanone Butyl acetate Methanol Ethanol A. 46.07 g/mol B. 116.16 g/mol C. 102.13 g/mol D. 100.16 g/mol E. 32.04 g/mol F. 72.11 g/mol

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Explain how using dimensional analysis could have prevented this crash