Chemistry
i got d.
Chemistry
Which of the following processes is exothermic? a.rolling a ball up a hill b.boiling water in a beaker to make steam c.allowing meat to thaw after taking it out of the freezer d.reacting hydrogen and oxygen gases to make water e.a popsicle melting on a warm summer day
math-calculus
The following equation shows the approximate relationship between the percentage y of total personal consumption spent on food and the corresponding percentage x spent on education. y = 38/x^0.38 percentage points; (6.5 ≤ x ≤ 17.5). According to the model, spending...
Math Calculus
The number of portable CD players you are prepared to supply to a retail outlet every week is given by the formula: q = 0.1p2 + 2p where p is the price it offers you. The retail outlet is currently offering you $50 per CD player. If the price it offers decreases at a rate of $...
Chemistry
how many grams of hydrogen occupy 40 ml at 300.15 K and 710 torr?
Chemistry
A sample of benzoic acid contaminated with NaCl and sand is to be recrystallized: Benzoid Acid: Solubility in water at 100 degrees Celsius in g/100 mL = 6.8, at 0 degrees Celsius in g/100 mL = 0.2. NaCl: Solubility in water at 100 degrees Celsius in g/100 mL = 39.1, at 0 degre...
Math
The probability that Aaron sees Hannah on any given day is 1/2. What is the probability that he sees her 3 out of all 5 days this week?
Advanced Algebra
Express the infinite series below using sigma notation and then find the sum. 64 + 40 + 25 + 15.625... Any explanation would be excellent. Thank you so much.
Math
If an object is launched straight up into the air from a starting height of h_{0} feet, then the height of the object after t seconds is approximately h=-16t^2+v_{0}t+h_{0} feet, where v_{0} is the initial velocity of the object. Find the starting height and initial velocity o...
Applied Calculus
If an object is launched straight up into the air from a starting height of h_{0} feet, then the height of the object after t seconds is approximately h=-16t^2+v_{0}t+h_{0} feet, where v_{0} is the initial velocity of the object. Find the starting height and initial velocity o...
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