anuragkr0

Why are AgNo3 and KSCN not primary standard substance?

In one step of the industrial process for producing copper from chalcopyrite (CuFeS2), molten copper(I) sulfide is reduced with a blast of hot air:

a. How many kilograms of   must be reduced to account for the world’s annual copper production of about kg?

b. How many liters of  at 1 bar and 25 °C are produced as a by-product?

c. If all the escaped into the atmosphere and reacted with  to produce sulfuric acid in acid rain, how many kilograms of  would there be in the rain?

What is the botany

1. Identify the correct statement with reference to human digestive system.

(a) ileum opens into small intestine.

(b) Serosa is the innermost layer of the alimentary canal.

(c) ileum is a highly coiled part.

(d) Vermiform appendix arises from duodenum

I think I am overthinking this problem. Cansomeone help me out?

A wholesale distributor stocks and sells lowflow toilets to contractors for use in commercial office buildings.The estimated annual demand for the toilets is 5,475 units. Theestimated average demand per day is 15 units. The purchase costfrom the toilet manufacturer is $125.00 per unit. The lead time fora new order is 3 days. The ordering cost is $100.00 per order. Theaverage holding cost per unit per year is $2.50. The distributorhas traditionally ordered 250 units each time they placed anorder.

What is the average number of units in inventory based uponordering 250 units each time an order is placed?

I am completely stumped! I have no idea what formula to use to getthis figured out.

A company's planned activity level for next year is expected to be100,000 machine hours. At this level of activity, the companybudgeted the following manufacturing overhead costs:

Variable

Fixed

What are the 'areas of jurisdiction' in the brain called?

C. fissures

B. lobes

A. cortex

How can write python simple program

Find the moles of each element in 1.25 mol of Na2CO3.

What is the difference between steam and boiling water?

What is capital revenue?

What are the basic components of a cell and their functions?

What is the difference between amphere and volt ?