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In need of help for the following: How could an ocean surface anomaly in the tropical Pacific incite variations in other parts of the world?
Also, If ENSO events became more frequent, what would happen to ecosystems and economies in locations subject to these weather variations, both in the tropical Pacific and around the world?
What volume (L) of H2 at 745 torr and 20.oC can be prepared from 4.8 g of water? (Atomic weights: Fe = 55.85, O = 16.00, H = 1.008; 1 atm = 760 torr).
Magnesium nitride reacts with liquid water to form insoluble magnesium hyrdroxide and ammonia. What is the balanced equation for such?
How many moles of H^+ came out of the column? c.) How many moles of Ag^+ were trapped by the column? d.) How many moles of Ag^+ came out of (i.e. were eluted from) the column
Suppose Milk of Magnesia is a suspension of magnesium hydroxide in water. A common medicine, it is frequently used as an antacid for the reason that it neutralizes hydrochloric acid in the stomach
Which of these names and formulae do NOT match correctly?
Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M NH3.
An engineer was trying to minimize greenhouse gases from car exhaust and was studying the gases that come from the trail pipe of a car at 800K.
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant.
you dissolve 15.71 g of nh4no3 in 150 ml of solution callthis solution a. you take 20 ml of solution a and add water
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 400 grams of ice initially at -9°C to liquid water at 84°C
Lauryl alcohol, C12H25OH, is prepared from coconut oil; it is used to make sodium lauryl sulfate, a synthetic detergent. What is the molality of lauryl alcohol in a solution
Question- How do you know which are the valence electrons in the electron configuration of an element
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