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A mass of 200 g of Zn reacts with 800.0 mL of 4.00 M HCl to form Zn(Cl)2
Zn(s) + HCl (aq) → Zn(Cl)2 (aq) + H2 (g)
1.1 Balance the equation of the chemical reaction
1.2 Identify the liming reactant.
1.3 Determine the excess reactant remaining after the reaction was complete.
1.4 Calculate the theoretical yield.
1.5 Calculate the percentage yield for the production of H2. The actual yield obtained for H2 was 1.46 g.
The general manager of 21st Century Designers, Temba Mhlongo is representing the company at one of the school exhibitions. Since Temba will be acting as the spokesperson for the company, he will fulfil a/an ________________ role.
Lower-level managers at Sizwe Motors would require sufficient _______________skills.
What is the output of each of the following statements? Assume that
x = 5, y = 2, z = 10, and temp = 0
6. if (x + y > z)
x = y + z;
else
x = y - z;
cout<< x << " " << y << " " << z << endl;
What is the output of each of the following statements? Assume that
x = 5, y = 2, z = 10, and temp = 0
1. if (y >= x)
y = z;
cout<< x << " " << y << " " << z << endl;
2. if (y >= x)
{
y = z;
cout<< x << " " << y << " " << z << endl;
}
3. if (z < y)
temp = x;
x = z;
z = temp;
cout<< x << " " << y << " " << z << endl;
4. if (z > y)
{
temp = x;
x = z;
z = temp;
}
cout<< x << " " << y << " " << z << endl;
5. if (x >= 6)
cout<< x + y << endl;
cout<< x + y << endl;
6. if (x + y > z)
x = y + z;
else
x = y - z;
cout<< x << " " << y << " " << z << endl;
Why is soap effective in killing coronavirus? What structural part gets targeted by soap and how? Be specific in
explaining the structure details
Can flu vaccine prevent covid 19? Clearly mention yes or no in your response. Explain the rationale of your choice (yes or no)
in 2 to 3 sentences.
Can antibiotics treat covid 19? Clearly state yes or no in your response. Explain the rationale of your choice (yes or no)
in 2 to 3 sentences.
Is the Wuhan virus same as SARS? Clearly state yes or no in your response. Explain the rationale of your choice (yes or no) in
2 to 3 sentences.
What does it mean that viruses are acellular?
