Chemistry, 27.10.2020 20:00, memorybuxton
The block was heated to a temperature of 80oC and placed in a 50mL (50g) sample of water at room temperature (25oC). The temperature stopped changing at 27.5oC. What was the amount of heat energy (Q) gained by the water? I got 522.663 Joules, someone check and help me show my work
Answers: 2
Chemistry, 21.06.2019 17:30, ronny80
Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?
Answers: 3
Chemistry, 22.06.2019 22:00, huddyxo
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
Answers: 1
Chemistry, 22.06.2019 23:00, maddyleighanne
Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry
Answers: 3
The block was heated to a temperature of 80oC and placed in a 50mL (50g) sample of water at room tem...
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