4. Which sample will decay least over a period of 30 days? [Refer to Reference T Science Assignment Help -

4. Which sample will decay least over a period of 30 days? [Refer to Reference T Science Assignment Help. 4. Which sample will decay least over a period of 30 days? [Refer to Reference T Science Assignment Help.

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4. Which sample will decay least over a period of 30 days? [Refer to Reference Table N]

1. 10 g of Au-198

2. 10 g of I-131

3. 10 g of P-32

4. 10 g of Rn-222

4. Which sample will decay least over a period of 30 days? [Refer to Reference T Science Assignment Help[supanova_question]

For the reaction at equilibrium: Science Assignment Help

For the reaction at equilibrium:

2 NO(g) + O2(g) Á 2 NO2(g)

which change will increase the amount of NO2(g)?

(a) remove NO gas

(b) add NO gas

(d) remove O2 gas

[supanova_question]

Given the balanced equation: Science Assignment Help

Given the balanced equation:

2H2(g) + O2(g) ® 2H2O(l)

How many grams of H2O are formed if 9.00 mol H2(g) reacts completely with an

excess of O2(g)? The molar mass of H2O is 18.0g/mol.

(a) 18.0g (b) 36.0g (c) 81.0g (d) 162g

[supanova_question]

5. What kind of radiation will travel through an electric field on a pathway tha Science Assignment Help

5. What kind of radiation will travel through an electric field on a pathway that remains unaffected by the field?

1. a proton

2. a gamma ray

3. an electron

4. an alpha particle

[supanova_question]