I didn't totally understand what should I do in this question, please help
I didn't totally understand what should I do in this question, please help How many totalmoles of atomes 0 4.86 mole...
show me the work in a clear hand writing so i can understand please. The Mole (1.5 pt) If you plan to dissolve 0.075 moles of sucrose (C12H22011) to make 150 mL of solution... > (a) How many grams of sucrose should you plan to measure out? (b) What is the molarity of the resulting solution?
I am totally confused about how I am supposed to do this/identify the molecules. Please help! 5.29 Use the molecular art to write a balanced equation for the given reaction
can someone help me with this, someone else tried to help me but I didn't understand what they said 4. A 3 kg block is pulled up a rough incline by a rope that exerts a 25 N force that is parallel to the incline. The angle of the incline 0 = 30° and the coefficient of friction between the block and incline u = 0.2. The block is pulled 1 m along the incline the block starts from rest....
How many O atoms are in .2500 mole of Ca3(PO4)2? I remember learning how to do this, but I forgot all the steps. Could someone please walk me through this?
I don’t understand how to do this portion of this question. Please help. Conduct and interpret follow up t tests for this anova analysis. to me ANOVA Source of SS Variation df MS P-value F crit 136.9333 2 68.46667 43.70213 3.09498E- 3.885293835 Effect 06 18.8 12 1.566667 error Total 155.7333 14 c) critical value 3.88529 p-value 3.09498 10 -6)
I need help for all this question please Step by step please The Mole Concept for Compounds Practice Problems 1. Determine the number of C&H1206 atoms in a 5.86 g sample of CH1206 2. Determine the number of moles of oxygen in a 4.88 mole sample of H2COs. 3. Determine the number of grams of carbon in an 8.63 g sample of C3HsCIO. 4. Determine the number of oxygen atoms in 64.85 g sample of aluminum sulfate.
Need help please. 22. I believe a. is 2 moles and b. is 2 moles 23. 2 moles of Ben gives 1 mole of product= which should equal 121.65 grams. But need help not sure if they are correct and I don't know 24. 22. For the following Aldol Condensation: To make one mole of product, how many moles of each reactant are needed? 0. NaOH CH CHCCH CH FW-106.13 d-1.0415 grnL F-58.08 g/mol d-0.7899 gmL Mp 110.5-112 °C FW...
Please show all work. I do not understand this question. 4. How many GRa are there in 9.3 Ci? Table 5. SI prefixes Factor Name Symbol Factor Name Symbol 1024 yotta Y 102 zetta Z 1018 exa E 1015 peta P 1012 tera T 109 giga G 106 mega M 103 kilo k 102 becte, h 101 deka da 10-1 deci d 10-2 centi c 10-3 milli m 10-6 micro u 10-9 vana n 10-12 pica p 10-15 femta f...
Homework help.. I don't understand how to solve this problem please show steps and box answer please.. thank you for your help!! Question: If a nylon 6.6, having a number-average molar mass Mn = 3.395 kg mol-1, was produced by RA2 + RB2 step polymerization with H2O being the by-product, determine the percent conversion if 1.1 mole of RA2 and 1 mole of RB2 were used in the process.
When solving these could you please do it in steps so I can understand and repeat it with different numbers! How many moles of an ideal gas must be present in a sample that is known to have a pressure of 18 atm, a volume of 2 liters, and a temperature of 41°C? a. 1.4 moles b. 3.91 moles c. 0.419 moles d. 3.21 moles If the gas is oxygen, what is the mass of this sample? How many molecules...