How many grams of na2co3 must chemist add
An environmental chemist needs a carbonate buffer of pH 10.00 to study the effects of acid rain on limestonerich soils. How many grams of Na2CO3 must she add to 1.5 L of freshly prepared 0.20 M NaHCO3 to make the buffer? KA of HCO3- is 4.7 x 10-11
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Determine the mass of aluminum acetate that can be made if you do the reaction with 125 grams of acetic acid and 275 grams of aluminum hydroxide.
Using only the category of property damage, what would the lighted night-to-day accident ratio have to be for the lighting to be economically justified?
The solubility of silver sulfate in water is 0.223% (w/v) at 35°C. Calculate the solubility product of this salt at this temperature.
Two pieces of steel are held together with six bolts. One end of the first piece of steel is welded to a beam and the second piece of steel is bolted to the first.
The rate constant for the first order decomposition of a compound A in the reaction 2A=P is k= 2.78*10-7|s at 25oc. what is the half- life of A?
Effect of acidic water on strength of soil used to store the water. The reduction in strength at various acidic pH values. Importance of retention time of acidic water in Lagoon with earthen bunds with respect to reduction in strength of the soil.
In the non-inertial CS fixed at the top of the vertical member, the motion of the point A is different than the motion calculated in an inertial CS. Give a differential equation for the position of A in this NICS.
Ammonia can be decomposed to give 3 parts by mass of hydrogen and 14 parts by mass of nitrogen. What mass of nitrogen is obtained if 1.27g of ammonia is decomposed?
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Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative
You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
Bearing in mind that there may be several, choose a social, behavioral, or cultural factor associated with your selected domestic violence
Question: Identify a true statement about validity as applied to a test. Multiple choice question
Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,