Questions by Wong

Questions by Wong

Concepts of Matter WS 1. What does the formula NH3 tell you about the composition of ammonia? 2. Classify each of the following as a physical or chemical change. For any chemical change, list at least

asked Nov 4, 2023

1 answer

27 votes

526k views

The vertices A(-2,-1), B(-3, 2), C(-1, 3), and D(0, 0) form a parallelogram. The vertices A'(-1, -2), B'(2, -3), C'(3,-1), and D'(0, 0) are the image of the parallelogram after a sequence of transformations.

asked Jul 10, 2023

1 answer

22 votes

499k views

A mass spectrometer has a magnetic field of 5.00 mT. It is used to test an unknown particle which has a charge of 2e and is travelling at 100 m/s. If the resulting radius of curvature for the ion is measured

asked Jul 1, 2023

1 answer

13 votes

526k views

The American Civil War 1861-1865 was the defining event of the 19th century for the U.S

asked Feb 6, 2023

2 answers

10 votes

188k views

What is mini computer

asked Jan 23, 2023

1 answer

1 vote

372k views

The greatest snowfall in a 24- hour period was 76 inches. Which of these is the same as 76 inches? A. 6 1/3 feet B. 2.5 yards C. 7.6 feet D. 2 1/3 yards

asked Aug 10, 2022

1 answer

14 votes

118k views

How did Friedman escape the fire alive? She ran down the stairs. She jumped down the elevator shaft. She jumped out a window.

asked May 24, 2022

2 answers

15 votes

292k views

Line s passes through points (3, 1) and (10, 6). Line t is perpendicular to s. What is the slope of line t? Simplify your answer and write it as a proper fraction, improper fraction, or integer.

asked Mar 8, 2022

1 answer

15 votes

418k views

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