Geologists believe that 200 to 225 million years ago all the continents were combined into one gigantic supercontinent called:
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In a single displacement reaction to determine if magnesium,…
In a single displacement reaction to determine if magnesium, Mg, would replace calcium, Ca, in calcium chloride, CaCl2, you would:
Describe (or draw) what the Bohr-Rutherford diagram for an a…
Describe (or draw) what the Bohr-Rutherford diagram for an atom of fluorine would look like (what is in the centre and number of electrons in each orbit or energy level). (2 marks)
Name the following hydrocarbons. In case you can’t see them…
Name the following hydrocarbons. In case you can’t see them well, that is a double bond in b) and a triple bond in c). (3 marks)
The four visible lines of hydrogen’s emission spectrum are a…
The four visible lines of hydrogen’s emission spectrum are a result of:
Explain why an alcohol, such as ethanol, is soluble in water…
Explain why an alcohol, such as ethanol, is soluble in water but hydrocarbons such as alkanes are not soluble in water. (4 marks)
isotopes are atoms:
isotopes are atoms:
Bohr’s model of the atom was the first model that:
Bohr’s model of the atom was the first model that:
To maximize force and minimize fatigue while strengthening a…
To maximize force and minimize fatigue while strengthening a large muscle, which of the following frequency ranges is preferred?
Plan of Care: NMES to increase endurance of the vastus medi…
Plan of Care: NMES to increase endurance of the vastus medialis oblique (VMO). The PTA adjusts the intensity to: