PayPal Payment Button
paypal.Buttons({ createOrder: function(data, actions) { return actions.order.create({ purchase_units: [{ amount: { value: ‘10.00’ // Set the amount for the payment } }] }); }, onApprove: function(data, actions) { return actions.order.capture().then(function(details) { alert(‘Transaction completed by ‘ + + ‘!’); }); } }).render(‘#paypal-button-container’);

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  • Graham’s diffusion law

    Graham’s diffusion law

    Lighter molecules move faster than the heavier one. According to this concept Graham’s could reach his law ,but at first we should to differentiate between to terms Diffusion and Effusion). Diffusion: process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a…

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