Questions Asked on June 29, 2019

A 300 g copper object is dropped into 150 g copper calorimeter containing 220 g of water at 20 degrees C. This causes the water
1. 0 answers
2. asked by Jordan Asad
3. 681 views
Why did the rise of nation-states have an impact upon exploration beyond Western Europe?
1. 4 answers
2. asked by Elizabeth
3. 1,099 views
A=5 sec(A)/1-4sinA.sinA +cosecA/4cosA.cosA-1 find value
1. 1 answer
2. asked by Rakesh
3. 535 views
Find the value of x,y and z that will make the fractions below equivalent 3/25, x/125, 39/y,z/625Please guys can you help me
1. 2 answers
2. asked by kevi
3. 572 views
In a game there are black counters and white counters. One third of the counters are black. What is the ratio of black counters
1. 1 answer
2. asked by Bob
3. 991 views
Nitric oxide reacts hydrogen to give nitrogen and water(2no+2h2_n2+2h2o).the kinetics of this rxn is explained byfollowing
1. 1 answer
2. asked by Khushi
3. 1,287 views
P varies directly as Q and inversely as four times the cube root of R.if p=16,Q=8 and R=0.015,find R in terms of P and Q
1. 2 answers
2. asked by Sampson
3. 793 views
Which of the following maps would be likely to use a larger-scale to represent distance?-A map of the country of Saudi Arabia -A
1. 3 answers
2. asked by Alyssa
3. 1,809 views

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