How many significant figures are in the number 2011

A speeding bullet with a speed of 582 m/s has a kinetic energy of 34,000 J. What is its mass? A. 0.255 Kg B. 0.505 Kg C. 1.05 Kg D. 2.01 Kg E. 0.201 Kg

Calculate the mass of MNO2 needed to produce 25.0 g of Cl2

The f. mercury, capital account has a credit balance of $37,000 before closing entries are made. total revenues for the period are $55,200, total expenses are $39,800, and withdrawals are $9,000.

Why do elements in the same family generally have similar properties

All of the following are signs that a chemical reaction may have taken place in a piece of glass except. a. the shape of the glass changes. b. energy is used or given off. c. new substance besides glass are formed. d. the glass changes color.

Define meteorologist.

How do decomposers get energy? A. by making their own food B. by eating other organisms C. by converting light energy into chemical energy D. by breaking down the waste materials of dead organisms

Among the following, which is a binary molecular compound? Question 7 options: CO2 NaCl MgS FeO

A 1 liter solution contains 0.227 M acetic acid and 0.302 M potassium acetate. Addition of 0.113 moles of sodium hydroxide will: (Assume that the volume does not change upon the addition of sodium hydroxide.)

How do newtons laws relate to egg drop project