Bond angle of ch4 and sih4

A student lost part of his lab notebook and didn't know what the original measure should have been. He knows that he calculated a 35.5% error and his experimental measurement was 15.6 cm. What are the two possible values for the actual measurement?

1 2 3 4 5 6 7 8 9 luo Which is an example of a chemical change? water evaporating from a puddle cloth tearing when pulled wood forming sawdust when cut bread baking in an oven

What elements on the periodic table are most likely to form covalent compounds?

How will you justify that ice, water and steam are the three states of a substance and not different substances?

To 225mL of a 0.80M solution of KI, a student adds enough water to make 1.0 L of a more dilute KI solution. What is the morality of the new solution?

Which element has an isotope mass number of 32 and is used as an ecological tracer?

Which laws can be combined to form the ideal gas law? Boyle's law and Charles's law Gay-Lussac's law and Avogadro's law Charles's law, Avogadro's law, and Boyle's law Dalton's law, Gay-Lussac's law, and Avogadro's law

What determines the horizontal arrangement of the periodic table?

A 55.3 g sample of lead heated and then quenched in a 175g sample of water. During the quenching reaction the temperature of the water increases from room temperature, 25.0 °C, to 42.6 °C.

What conclusion can you draw from this experiment about the components of the black ink