Chemistry
Mercury dissolves in concentrated nitric acid, with the evolution of a reddish-brown gas, just as in the reaction shown in figure 5.4 on page 188 for copper. The oxidation state of the mercury after reaction is +2. Write a balanced net ionic equation for the reaction?
Chemistry
Mercury dissolves in concentrated nitric acid, with the evolution of a reddish-brown gas, just as in the reaction shown in figure 5.4 on page 188 for copper. The oxidation state of the mercury after reaction is +2. Write a balanced net ionic equation for the reaction?
math
y^2+4y-32=0 what is the greatest factor
Social Studies
"How was the free-trade trial of 1849 a victory for the Metis?" Was it because the 4 Metis offenders were given mercy and it also ended the HBC monopoly?
algebra
What is the solution of the system of equations? y = 3x + 7 y = x – 9
algebra
At the Wild Thing Zoo, you can rent a motorized cart to tour the grounds for a $4 initial charge and $4 per hour. An equation that represents the total cost y for x hours is y = 4 + 4x. At Safari Zoo, you can rent the same cart for a $3 initial charge and $5 per hour. An equat...
algebra
In a basketball game, a regular basket was worth 2 points and a long-distance basket was worth 3 points. If there were 45 baskets in a game and 96 points total, how many regular baskets r and long-distance baskets l were made? Show the correct system of equations.
algebra
You decide to market your own custom computer software. You must invest $3,255 for computer hardware, and spend $2.90 to buy and package each disk. If each program sells for $13.75, how many copies must you sell to break even?
geometery
1.given the function y=x^2-4x+5,find the following: a.vertex b.maximum or minimum c.axis of symmetry d.y-intercept e.x-intercept(zeros) f.graph
perimeter and area
what is 800cm times 15cm help me find the area cm2
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