The specific heat of nickel is 0.44 J/g*⁰C. How much energy needed to change the temperature of 95.4g of nickel from 32⁰C to 22⁰C. Is the energy absorbed or released?

Given the partial equation? MnO4-+? SO32 - →? Mn2++? SO42 - what must the coefficients be so that the electrons are balanced? Enter the equation coefficients in order separated by commas (e. g.

Energy cannot be created or destroyed. It can only be transferred from one form to another. Energy that is "wasted," does not disappear.

What can you conclude about the importance of marine ecosystems to global food webs and the biosphere?

Name the three parts of the atom. A. protons, neutrons, and electrons B. protons, neutrons, and elements C. protons, molecules, and electrons D. atoms, molecules, and nucleus

Athletic trainers use instant ice packs that can be cooled quickly on demand. Squeezing the pack breaks an inner container, allowing two components to mix and react. This reaction makes the pack become cold.

Identify the precipitate (if any) that forms when KOH and Cu (NO3) 2 are mixed

An atom has a mass number of 27 and 14 neutrons. what is the atomic number of this atom?

The two forms of oxygen, O2 (g) and O3 (g), have (1) different molecular structures and identical properties (2) different molecular structures and different properties (3) identical molecular structures and identical properties (4) identical

What is the difference between a distraction and a reaction

if carbon which has an electrongavity of 2.5 bonds with hydrogen, which has an electrongavity of 2.1, the bond between the two atoms will be classified as a (n) covalent bond