# Questions Asked onOctober 19, 2019

1. ## chemistry

the compound al2o3 contains 53% metal ,what is the relative atomic mass of aluminium

2. ## Chemistry

What volume of glycerine C3H8o3. Density 1.26g/ml, should be taken to obtain 2.50mol of glycerine

3. ## Math

Complete each statement with the appropriate measurement or symbol. 48 c = _ qt 96 oz _ 5 lb 6 yd, 1 ft = ft 6 1/2 lb = _ oz

asked by Cup of Tae w/ Suga
4. ## history

James Oglethorpe's decision to recruit Highland Scots to establish a settlement on the Altamaha River is evidence of which of the following reasons for colonization as described in the Charter of 1732? Economic - The Highland Scots were slave holders who

5. ## Probability

Of the 1286 students enrolled at the community college last fall, 367 registered early. Based on this data which approach would be best to find the probability of students who will register early this fall? classical approach subjective approach***

6. ## U.S. Studies

What were the two groups that emerged after the constitutional convention? What did each group want?

7. ## Geometry

AB ∥ DC, DE ⊥ AB , AD = BC, m∠ADC = 134° AD = 40, DC = 32, ABCD is a trapezoid. Find: Area of ABCD

8. ## Social Studies

1.Which is one reason there was conflict between the colonists and Britain?

9. ## chemistry

A 2.118 g sample of a solid mixture containing only potassium carbonate ( MM=138.2058 g/mol ) and potassium bicarbonate ( MM=100.1154 g/mol ) is dissolved in distilled water. A volume of 30.20 mL of a 0.763 M HCl standard solution is required to titrate

10. ## Math

find the volume bounded by the parabolic cylinder z=4-x^2 and the planes x=0, y=0, y=6 and z=0 I just want some help figuring out the limits of this question : So for z, we have to integrate from z=0 to z=4-x^2 (am i right?) W.r.t. y, we should integrate

11. ## English

what are the principle parts of verbs a. the base forms of verbs with no endings added b. the present, present participal, past, and past participal of verbs***** c. the most common verbs of the most common verbs d. action, linking, regular and irregular

asked by wyatt love harry potter
12. ## Physics

Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 453 N and F2 = 400 N. (Assume up and to the right as positive directions.)(F1 is 8degrees and F2 is 35degreed) (a) What is the resultant of these two

13. ## Physics

I need the answers Fx = 453 cos 8 + 400 cos 35 Fy = 453 sin 6 + 400 sin 35 |F| = sqrt ( Fx^2 + Fy^2) tan theta = Fy/Fx where theta is angle above x axis |A| = |F| / 3805 same angle above x axis = theta

14. ## physics

tarzan swings from a vine whose length is 10m in a vertical circle under the influence of gravity .when vine make an angle of 20 degree with the vertical then find out length of arc and centripetal force experienced at this instant when tarzan has a speed

15. ## Physics

An aeroplane's compass indicates that it is headed due to North, and it airspeed indicator shows that is moving through the air at 24 0 km/h. If there is a 100 km/h wind from west to east. In what direction should the pilot head to travel due north? What

16. ## physics

One boy standing on a bridge throws a stone horizontally at a velocity of 12m/s. If the bridge is 10m above the river, how far horizontally will the stone go from him?

17. ## Physics

Describe the force board experiment to show how to obtain a resultant of two non-parallel coplaner forces acting at a point

18. ## algebra

what is the greatest prime you must consider to test whether 4178 is a prime?

19. ## biology

Who discovered that only green parts (leaves) of plants photosynthesized releasing oxygen and not roots? a. van Helmont b. Priestly c. Ingenhousz d. van Niel e. Blackman

20. ## algebra

A farmer has 160 bushels of apples for sale at a farmers market .he sells an average of 15 1/4 bushels each day .After 7 days ,what is the change in the total number of bushels he has for sale at the farmers market. Please help me work this out I dont

21. ## Physics

Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 453 N and F2 = 400 N. (Assume up and to the right as positive directions.)(F1 is 8degrees and F2 is 35degreed) (a) What is the resultant of these two

22. ## math

John is fencing a larger rectangular pen and creating 3 smaller pens of equal area (2 lengths and 4 widths). John wants to maximize the area contained by the pens. John plans on using 1200m of fencing. What is the area and dimension of the 3 smaller pens?

23. ## Math

Jason is keeping track of the amount of money that he spends on gas each month. Below are the amounts for last month: \$24.75 \$30.25 \$34.60 \$38.90 What is the best estimation for the amount that Jason spent on gas last month? A) 20 + 30 + 30 + 40 B) 20 + 30

24. ## math

i'm not very good at math whats an easy way to learn rise over run and slope, i'm an 8th grader i really need help.

25. ## Mathematics

A pyramid 8cm high stands on a rectangular base 6cm by 4cm. Calculate volume of the pyramid.

26. ## Math

Which choice correctly compares the two numbers? A) 4.2 > 5.6 B) 4.8 < 4.6 C) 5.1 < 5.2 D) 5.2 > 5.3

27. ## Math

Im still having problems with this simple question: d^2y/dx^2 + 2 dy/dx +5y=0 With initial conditions y=1, x=0 and dy/dx=1 I have gone through and checked and ended up with no solution given the initial conditions. The Furthest I have got is ending with

28. ## Chemistry

Calculate the volume of CO2 that would be produced from 0.5 mole of Fe2O3 according to the equation.Fe2O3(s)+3CO(g)=2Fe(s)+3CO2(g). (1mole of a gas occupies 22.4dm3 at s.t.p)

29. ## Career guidance

Maths lit geography life science tourism Can I do nursing with this subject?

30. ## math

At the end of a​ party, three fourths cup of dip is left. Jim divides four fifths of the leftover dip equally between 2 friends. How much dip does each friend​ get?

31. ## Physics

Two cars approach each other; both cars are moving westward, one at 78 km/h, the other at 64km/h. A) what is the velocity of the first car relative to (in the frame of reference of) the second car? B)after the pass, will their relative velocity change?

32. ## science

a runner runs 100.0 m in 9.85 seconds. If he has a kinetic energy of 3400.0 J what is the mass?

33. ## Science

Is 3NaHCO3+C6H8O7=C6H5Na3O7+3CO2+3H20 A combustion reaction?(alka seltzer tablet reacts with water).

34. ## chemistry

A 5.00 L solution has [HC7H5O2] = 0.100 M and [Ca(C7H5O2)2] = 0.200 M . What is the pH of the solution after 10.0 mL OF 5.00 M NaOH is added? Assume the volume of the solution does not change .Ka for HC7H5O2 = 6.3x10^-5.

35. ## Physics

Ann is driving down a street at 55 km/h. Suddenly a child runs into the street. If it takes Ann 0.75 s to react and apply the brakes, how many meters will she have moved before she begins to slow down?

36. ## biology

When protons accumulate on one side of the membrane and then flow back across the membrane through ATP synthase it is called a. chemiosmosis b. electron transport chain c. charge separation d. primary photo-event

37. ## history

what was the biggest war in usa history

38. ## Physics

What is the force of attraction between two masses of 5kg and 8kg at a distance of 60cm apart

39. ## Pre-algebra

8+24+√5? I have no idea what the answer is 😬

40. ## Math

PJ needs \$60 for a class trip. He has \$32 already saved and can earn \$4 an hour mowing lawns. How many hours must PJ work to have the money he needs? Write an Equation and solve

41. ## Geometry

8cos30° × tan60°+2 sin²65°+2cos²65°

42. ## Math

What type of problems can we solve using the greatest common factor

43. ## math

olivia can complete 6 sprints per minute.write and solve a direct variation eqation to find how many sprints she can expect to complete in 25 minutes. i really need the answer

44. ## Physics

While John is traveling along an interstate highway, he notices a 160-mile marker as he passes through town. Later John passes another mile marker,115. A ) what is the distance between town and john’s current location? B)what is john’s current

45. ## English

How is the book Their Eyes Were Watching God by Zora Neal Hurston a bildungsroman? What are some examples from the book that support the answer?

46. ## Physics

Light from the sun reaches earth in 8.3 min. The velocity of light is 3.00 x 10^8 m/s. How far is earth from the sun.

47. ## Math

Ben and Maddie both use triangles to determine the slope of the line.Ben determines the slope of line l to be -2. Maddie says the slope of line is 1/2.Who is correct?

48. ## Physics

I need the answers Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 453 N and F2 = 400 N. (Assume up and to the right as positive directions.)(F1 is 8degrees and F2 is 35degreed) (a) What is the

49. ## Science

A rectangular container has a 10 cm square base and contains water to a depth of 12 cm. when a stone of a mass of 600 g is gently lowered into the water , the level rises to 14 cm.calculate the volume of water displaced

50. ## physics

l need answers with the aid of scale drawing

51. ## Physics

You dive a car 2.0 h at 40km/h , then 2.0 h at 60 km/h A) what is you average velocity B) do you get the same answer if you drive 100 km at each of the two speeds above