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20.00mL of radiator liquid, ethylene glycol has a mass of 20.85 g. What is the density of the liquid?
How many grams of the strong acid HClO4 must be combined with water to make 400 ml of a solution with a pH of 1.5.
The density of hydrogen gas in a flask is 0.147 g/L at 305 K. what is the pressure inside the flask? Calculate the density in G/L of CH4(g) at 75 Celsius and 2.1 atm (R= .08206 L*atm/mol*K).
What mass of this substance must evaporate in order to freeze 160 g of water initially at 21 0C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c.K}.)
Hydrogen cyanide is prepared from ammonia (NH3) and natural gas (CH4).2 NH3 (g) + 3 O2 (g) + 2 CH4 (g) → 2 HCN (g) + 6 H2O (g)
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction below?SiO2(g) + 3 C(s) → SiC(s) + 2 CO(g) ?H for the reaction is +624.7 kJ/mol
Determine What is the ? Ssys for the process?(if it is given the specific heat capacity for ethanol is 2.42 J/g K.) express your answer in units of J/K
What is the main structural feature of the azo dyes that causes them to be colored compounds?
What is the concentration of g salt per 100 g water of a saturated solution in which 3.82 g of salt are dissolved in 9.54 g of water?
Fundamentals of chemistry - The conditions under which gases behave most ideally and Under the Bronsted?Lowry definition a base
Determine compound having greater Ksp or compound having smaller Ksp ? compute [Ag + ] when CuI just start to precipitate. What % of Ag + remains in solution at this point?
Compute the mass of Au(gold) that occupies 5.0 X 10^-3 cm^3. If the density of gold (Au) is given=19.3 g/cm^3.
What is the mass, in grams, of 55.0 mL of the liquid propylene glycol, a moisturizing agent for foods, which has a density of 1.036 g/mL at 25 degress Celcius.
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