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Calcium ions (Ca²⁺) have the same charge as magnesium ions (Mg²⁺) but Ca²⁺ ions have a larger ionic radius (as ionic radius increases down the group). This means Ca^2+...

Step 1: Nitration of benzene Benzene + conc. H₂SO₄ + conc. HNO₃ with heat & under reflux --> Nitrobenzene Step 2: Reduction of nitrobenzene Nitrobenzene + tin + con...

The vaccine contains antigens of the virus. When injected, these antigens are recognised by macrophages which engulf the antigen and present the antigens on their surface. Once the antigens are presented,...

It's important to approach the critics with a critical attitude. This means applying to the secondary material the same rigour and attention which you give to the primary material. You can do this in a fe...

1.) Find the integral of each term. --> [2x +7ln(x)]. --> Uses standard integrals--> e.g. that the integral of 1/x is ln(x).
2.) substitute values into the integral. --> [2(e)+ 7ln(e)]-...