25 points if you answer soon. Identify the balanced double displacement equation. CuCl2 + Fe ⟶ 2Cu + FeCI2 PbCl4 + 2Ca(OH)2 ⟶ 2CaCl2 + Pb(OH)4 CuCl2 + Fe ⟶ Cu + FeCI2 PbCl4 + 2Ca(OH)2 ⟶ 2CaCl2 + 4Pb(OH)

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

What type of context clue you understand the meaning of  quandary?

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.