A student reports three trials to measure the density of an unknown metal. indicate the most accurate value and why

When discussing acids and bases any substance that accepts a patron by definition is considered an

How much heat is absorbed by a 750-g iron skillet when its temperature rises from 25oC to 125 oC? The specific heat of iron is 0.449 J/goC.

Quantitative data or observations mean that you measure something. Which observation made by Ben is quantitative? A) Each pea pod grew 5 centimeters in a week. B) The pea plants that were given fertilizer grew taller.

How is sugar water classified? as a homogeneous mixture as a compound as a heterogeneous mixture as an element

What is the wavelength of radiation of frequency 4.80 * 1013 s-1?

For taking sip of hot tea, we blow air on it. Justify

The molecules in a solid object A. flow freely around each other B. vibrate slowly C. are completely still all the time

How many moles of water can be obtained from the reaction of 4 moles of O2?

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen.

C). If 0.5 mole of oxygen (0,) reacted with hydrogen (H2), how many mole of water (H, 0) was produced from the reaction?