750. ml of water was almost boiled to 87.0°C then placed on the counter to cool until it reached 22.0. How much heat did the

water lose? (specific heat of water = 4.184J/g C)

Ms. Block's students are studying chemical reactions as well as the law of conservation of matter. A classic reaction occurs when a metal is added to hydrochloric acid.

What is the electron configuration of sodium?

How will carbon behave at room temperature?

A mineral sample has a mass of 4.2 grams and a volume of 2 milliliters what is the density of the mineral?

How many atoms of magnesium are in a 134 gram sample of magnesium?

In a chemical equation the products appear on which side of the equation? A. Left B. Top C. Right D. Bottom

What does the shape of a protein molecule resemble?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, velocity velocity, height height, position

Which radiation detection device is the best to use for measuring the presence of radiation in large moving objects where constant monitoring is impossible? film badge Geiger counter cloud chamber scintillation counter

Smoke fiilling up a room is diffusion or not