An atom contains 32 protons and 48 neutrons. What is the mass of the atom ?
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September 2023
which of the following reactions takes in heat exothermic or endothermic no spam or no wrong answer or else ill report you
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September 2023
v. Incomplete combustion gives out (a) carbon (b) carbon di oxide (c) methane (d) oxygen No spam or no wrong answer
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September 2023
3. When hydrochloric acid reacts with ammonium hydroxide in a beaker, the temperature goes up.
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September 2023
vi. Which of the following is an example of exothermic reaction? (a) Photosynthesis (b) Dissolving sugar into water (c) Formation of snow (d) Cooking food No spam or no wrong answer or else i will report you
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September 2023
A camera detector has an array7 of 2048 by 2048 pixels and uses a color depth of 32. Find the size of an image taken by this camera in MiB
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September 2023
A photograph is 1024 x 1080 pixel and uses a color depth of 16 bits. How many photographs of this size would fit onto a memory stick of 128 GiB.
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September 2023
today i couldnt give my physics exam because my camera was not turning on and i was in a worst situation and somehow i had to join through mobile and after i gave exam i had to upload picture so i turned off my camera and teacher scolded me and...
s = ut+ 16t 2 Find the value of s when u = 2 and t = 3.
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December 2022
name two non-magnetic materials ,one soft magnetic material and one hard magnetic material
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December 2022
An Organic compound contains 12.8% carbon ,2.1% hydrogen and 85.1% bromine , by mass . its relative molecular mass is 188 .a) calculate empirical formula b) Deduce its molecular formula no spam pls
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December 2022
magnesium carbonate + hydrochloric acid --> magnesium chloride + water + carbon dioxide write balanced chemical equation
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December 2022
Magnesium sulphate crystals (MgSO4.7H2O) can be dehydrated by heating . Calculate the percentage by mass of water present in the molecule.
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December 2022
An Organic compound contains 12.8% carbon ,2.1% hydrogen and 85.1% bromine , by mass . its relative molecular mass is 188 .a) calculate empirical formula b) Deduce its molecular formula
(four) Differences between nervous and hormonal coordination
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December 2022
Magnesium sulphate crystals (MgSO4.7H2O) can be dehydrated by heating . Calculate the percentage by mass of water present in the molecule.
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December 2022
iron + sulphuric acid --> iron (ll) sulphate + hydrogen Balance the equation
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December 2022
a charged sphere carrying a charge of 0.4 mC is connected to the earth by a wire . calculate the average current flowing through the wire if the time taken for the discharging of the sphere is 0.2s.draw a diagram showing the direction of the conventional current flow
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December 2022
if a student gives an ebonite rod , a glass rod , some fur and silk , how can he produce 2 kinds of electrification
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December 2022
Which of the following statements about tap water is true? A. It contains only dissolved gas B. It contains dissolved gases and solutes C. It contains only dissolved solids D. It is exactly neutral.
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December 2022
At a waterworks, water is chlorinated so that A. any harmful bacteria is killed B. the water dissolves more oxygen C. it can be traced in underground pipes D. the water becomes clearer
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December 2022
write brief details on the characters and their roles exploring what themes are presented here. (Page 1) * Captionless Image Date Reading the extract from the story "And women must weep" written by Henry Handel Richardson, write brief details on the characters and their roles exploring what themes are presented...
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December 2022
Which of the following is used more in the sculpture industry of Bengal?
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December 2022
32 a) on a graph plot the points P(1,4),Q(4,8),R(5,1) b) determine whether or not the triangle PQR is isosceles c) find the coordinates of the mid-point of PR No spam please