A stone is tied to a 0.85-meter cord. it is swung in a circle at a constant rate of 6.0 m/s. what is the centripetal acceleration of the stone? 42 m/s2 7.1 m/s2 0.14 m/s2 5.1 m/s2

What is the word equation for sodium polyacrylate and water?

Earth's layers are made up of different elements true or false?

When a 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of 2.71 kJ ⋅ K - 1, the temperature decreases by 0.370 K. Calculate the molar heat of solution of KBr.

What is meniscus? why is it necessary to know about it when measuring liquids quizzlet?

Which type of intermolecular attractive force operates between (part a. all molecules, (part b. polar molecules, (part c. the hydrogen atom of a polar bond and a nearby small electronegative atom?

What is anisotropy. Explain briefly with example.

Which is measured using a calorimeter

5) Solid lithium metal is added to an aqueous solution of magnesium chloride forming lithium chloride solution and solid magnesium a. If you begin the reaction with 15.0 g of lithium and 25.

Which element easily loses one electron to form a positive ion? A. Magnesium (Mg) B. Lithium (Li) C. Nitrogen (N) D. Fluorine (F)

What is an indication a chemical reaction has occurred? A.) Formation of gas B.) Boiling of a substance C.) Melting of a substance D.) Freezing of a substance