When solutions of AgNO3 and NaOH react, the balanced molecular equation is: 2 AgNO3(aq) + 2 NaOH(aq) ? Ag2O(s) + 2 NaNO3(aq) + H2O(l) How much Ag2O is produced when 0.200 g of AgNO3 and 0.200 g of NaOH react?
A) 0.127 g
B) 0.136 g
C) 0.273 g
D) 0.400 g
B
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0° of latitude is found at the ________, and 90° of latitude is found at the ________.
A) South Pole; North Pole B) South Pole; Equator C) Equator; North Pole D) North Pole; Prime Meridian
Explain how incinerator ash can become toxic when the initial material that is incinerated is not toxic.
What will be an ideal response?
What does this welded texture indicate about the formation of this rock?
A) It formed from an explosive pyroclastic eruption.
B) The rock solidified at great depth.
C) The magma formed some crystals before rising closer to the surface and solidifying.
D) The magma had abundant dissolved gas.
Which mineral does not contain abundant potassium?
A) feldspar B) biotite C) muscovite D) calcite