0.15 grams of Mg is combined with HCI to produce H2 gas. If the reaction occurs at 25°C in a 150 ml container, what is the theoretical pressure change? A. 1.01 kPa
B. 102 atm
C. 102 kPa

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What is bromine+calcium iodide--> calcium bromide +iodine balanced

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon