<span>A method of processing coal to remove contaminants by mixing coal in a solution of potassium permanganate in a selected concentration range, rinsing the coal, mixing the coal in a solution of ammonia hydroxide in a selected concentration range to cause the solution to be brought into contact with the surfaces and pores of the coal, discharging the processed coal from the second reaction vessel, monitoring the process to detect when the concentration of aqueous ammonia in the second reaction vessel has fallen below the selected range, and feeding aqueous ammonia solution with an ammonia concentration in or above the selected range to the second reaction vessel to return the solution to within the selected range.</span>
Answer:
be suitable for the elderly
Explanation:
Answer: Sweden does not charge tuition for both public and private colleges. Denmark spends 0.6% of its total GDP on subsidies for college students. Finland also provides students with generous scholarships and grants to finance their studies or living expenses. Ireland has paid tuition fees for most full-time undergraduate students since 1995. Iceland tuition fees vary by your major because of differences in both the cost of studies and labor-market demands. Norway pays the most for college subsidies, spending 1.3% of its annual GDP. The Czech Republic provides small subsidies to help students with college costs aside from covering the cost of tuition.
Explanation:
Answer:
y=5x+10. y=5x+10 y = 5 x + 10
i think this could how i dont know tho
