density of a sample of tin is 8 g/'ll when the actual density was 7.28 g/ml. what was the percentage error

The decomposition of NOBr is studied manometrically because the number of moles of gas changes; it cannot be studied colorimetrically because both NOBr and Br2 are reddish-brown.

In the Bee movie what does normal mean in the hive?

Which ions produce similar colors in the flame tests?

What is K2Cr2O7 name?

What does it mean for a element of a group to have a order?

Kim is doing an experiment with sound waves. She tested to see how quickly a sound wave could travel through three different materials: a metal pole, a helium balloon and a glass of water. She recorded her results.

Which of the following is an example of an electric force that occurs in atoms

5. What is another name for Newton's first law in your own words.

The molar mass of magnesium (Mg) is 24.30 g/mol. There are 6.02 1023 atoms in 1 mol. How many atoms are present in 48.60 g of Mg? 3.32 10^-24 atoms 1.96 10^-21 atoms 1.20 10^24 atoms 7.11 10^26 atoms

Add 3.76 * 104 and 5.5 * 102 and write the answer in scientific notation. A. 9.26 * 104 B. 9.26 * 106 C. 3.82 * 106 D. 3.82 * 104