A glass rod was heated in a burner flame and gave off a bright yellow flame. What metal ion predominates in the glass rod?
3. What happens when an excise tax is paid mainly by consumers? 4. Describe what happens when an excise tax is paid mainly by producers?
Briefly describe whether adiabatic flame temperature is higher when burring with or oxygen.
Describe what happens in a postsynaptic cell when an excitatory neurotransmitter is released into the synapse by a presynaptic neuron. Describe what happens in a pos-synaptic cell when an inhibitory neurotransmitter is released into the synapse by a presynaptic neuron.
describe what happens energetically when chemical bonds are formed and broken.
Using picture and words, describe your understanding of what happens on the molecular level when SALT (NaCl) dissolves in water. Using picture and words, describe your understanding of what happens on the molecular level when SUGER (C12H22O11) dissolves in water.
Describe what happens when the RC term is (i) small and (ii) large.
When a compound containing sodium ions is heated in a Bunsen burner flame, photons with an energy of 3.38 x 10^-19 J are emitted. What is the wavelength and color of the sodium flame? 589 nm yellow light light that is not visible to the naked eye 463 nm 542 nm 689 nm red light No answer text provided. Green light blue light 338 nm.
Explain briefly what happens to the atoms of a substance when they are heated in a flame. How is the flame color you observe with naked eyes related to the spectral lines you observe through a spectrograph? Aluminum reacts with oxygen to produce an ionic compound that can be used as an adsorbent, desiccant, or catalyst for organic reactions. Write the complete, balanced equation for this synthesis reaction. Click "Insert Math Equation" on the formatting bar to insert an arrow....
In 200 words or more describe what happens when there are conflicts among communities of interest.